[1] M.F. Khatib, Y.Oku, E.N. Bruce. Contribution of chemical feedback loops to breath-by-breath variability of tidal volume. Respir. Physiol. 83: 115-128, 1991.

[2] Y. Oku, G.M. Saidel, T. Chonan, M.D. Altose, and N.S. Cherniack. Sensation and optimization of breathing: A dynamic model. Ann. Biomed. Eng. 19: 251-272, 1991.

[3] Y. Oku, M. Mishima, M. Ohi, K. Chin, and K. Kuno. The dynamic control of breathing during exercise and hypercapnia. Med. Biol. Eng. Comput. 30: 51-56, 1992.

[4] Y. Oku and T.E. Dick. Phase resetting of the respiratory cycle before and after unilateral pontine lesion in cat. J. Appl. Physiol. 72: 721-730, 1992.

[5] Y. Oku, I. Tanaka and K. Ezure. Possible inspiratory off-switch neurons in the ventrolateral medulla of the cat. NeuroReport 3: 933-936, 1992.

[6] Y. Oku, T.E. Dick and N.S. Cherniack. Phase-dependent dynamic responses of respiratory motor activities following perturbation of the cycle. J. Physiol. Lond. 461: 321-337, 1993.

[7] T.E. Dick, Y. Oku, J.R. Romaniuk and N.S. Cherniack. Interaction between central pattern generators for breathing and swallowing in the cat. J. Physiol. Lond. 465: 715-730, 1993.

[8] Y. Oku, E.N. Bruce, C.R. Richmonds and D.W. Hudgel. The carotid body in the motoneuron response to protriptyline. Respir. Physiol. 93: 41-49, 1993.

[9] Y. Oku, G.M. Saidel, M.D. Altose, and N.S. Cherniack. Perceptual contributions to optimization of breathing. Ann. Biomed. Eng. 21: 509-515, 1993.

[10] K. Ezure, Y. Oku, and I. Tanaka. Location and axonal projection of one type of swallowing interneurons in cat medulla. Brain Res. 632: 216-224, 1993.

[11] K. Ezure, I. Tanaka and Y. Oku. Location and axonal projection of early-onset decrementing expiratory neurons in the cat. Neurosci. Lett. 163: 105-108, 1993.

[12] Y. Oku, I. Tanaka, and K.Ezure. Activity of bulbar respiratory neurons during fictive coughing and swallowing in the decerebrate cat. J. Physiol. Lond. 480: 309-324, 1994.

[13] Y. Oku, G.M. Saidel , N.S. Cherniack, and M.D. Altose. A model of respiratory sensation and willful control of ventilation. Med. Biol. Eng. Comput. 33: 252-256, 1995.

[14] Y. Oku and T.E. Dick. Paradoxical phase resetting at late expiration by the superior laryngeal nerve stimulation. NeuroReport 6: 379-383, 1995.

[15] T. Hirai, M. Hosokawa, K. Kawakami, Y. Takubo, N. Sakai, Y. Oku, K. Chin, M. Ohi, K. Higuchi, K. Kuno, and M. Mishima. Age-related changes in the static and dynamic mechanical properties of mouse lungs. Respir. Physiol. 102: 195-203, 1995.

[16] Y. Oku, G.M. Saidel , N.S. Cherniack, and M.D. Altose. Effects of willful control of ventilation on respiratory sensation during progressive hypercapnia. Respiration 63: 137-143, 1996.

[17] Y. Oku, K. Kump, E.N. Bruce , N.S. Cherniack, and M.D. Altose. Effects of changes in ventilation on respiratory discomfort during isocapnic exercise. Resp. Physiol. 104: 107-114, 1996.

[18] M. Mishima, K. Kawakami, T. Fukunaga, N. Sugiura, T. Hirai, Y. Oku, M. Fukui, K. Chin, M. Ohi, and K. Kuno. Validity of a random noise oscillation and body box system for the measurement of the respiratory impedance of small animals. Front. Med. Biol. Eng. 7: 163-175, 1996.

[19] M. Mishima, K. Kawakami, N. Sakai, T. Hirai, M. Fukui, Y. Oku, K. Chin, M. Ohi, and K. Kuno. Chest flow during the initial inspiratory phase (V0.1) in pulmonary diseased patients. Front. Med. Biol. Eng. 7: 177-188, 1996.

[20] M. Mishima, Y. Oku, S. Muro, T. Hirai, K. Chin, M. Ohi, M. Nakagawa, M. Fujita, K. Sato, K. Shimada, S. Yamaoka, Y. Oda, N. Asai, Y. Sagawa and K. Kuno. Relationship between dyspnea in daily life and psycho-physiologic state in patients with chronic obstructive pulmonary disease during long term domiciliary oxygen therapy. Int. Med. 35: 453-458, 1996.

[21] M. Mishima, K. Higashiya, K. Kawakami, N. Sugiura, N. Sakai, T, Hirai, Y. Oku, K. Chin, M. Ohi, and K. Kuno. Effects of resistive load on the phase difference between chest and mouth flow in patients with COPD. Front. Med. Biol. Eng. 8: 1-18, 1997.

[22] M. Mishima, Y. Oku, K. Kawakami, N. Sakai, M. Fukui, T. Hirai, K. Chin, M. Ohi, K. Nishimura, H. Itoh, M. Tanemura, and K. Kuno. Quantitative assessment of the spatial distribution of low attenuation areas on X-ray CT using texture analysis in patients with chronic pulmonary emphysema. Front. Med. Biol. Eng. 8: 19-34, 1997.

[23] S. Muro, Y. Oku, K. Chin, M. Mishima, M. Ohi, and K. Kuno. The effect of ventilatory assist on the level of respiratory drive in decerebrate cats. Resp. Physiol. 109: 205-217, 1997.

[24] Y. Oku, M. Kurusu, Y. Hara, M. Sugita, S. Muro, K. Chin, M. Mishima, M. Ohi, and K. Kuno. Ventilatory responses and subjective sensations during arm exercise and hypercapnia in patients with lower-cervical and upper-thoracic spinal cord injuries. Int. Med. 36: 776-780, 1997.

[25] K. Chin, M. Ohi, H. Kita, N. Otsuka, Y. Oku, M. Mishima, and K. Kuno. Hypoxic ventilatory response and breathlessness following hypocapnic and isocapnic hyperventilation. Chest. 112: 154-163, 1997.

[26] M. Mishima, T. Hirai, Z. Jin, Y. Oku, N. Sakai, Y. Nakano, H. Sakai, K. Chin, M. Ohi, K. Kawakami, K. Shimada, H. Itoh, K. Yamaguchi, T. Sawa, and K. Kuno. Standardization of low attenuation area versus total lung area in chest X-ray CT as an indicator of chronic pulmonary emphysema. Front. Med. Biol. Eng. 8: 79-86, 1997.

[27] K. Chin, Y. Oku, K. Nishimura, M. Ohi. Deep breathing and awake apnoea in a patient who had recurrent hypoxaemia and hypercapnia without sleep apnoea. Eur. Respir. J. 12: 739-741, 1998.

[28] H. Sakai, M. Fukui, Y. Nakano, K. Endo, T. Hirai, Y. Oku, and M. Mishima. Acute response of the lung mechanics of the rabbit to hypoxia. J. Appl. Physiol. 86: 306-312, 1999.

[29] Y. Oku, S. Hülsmann, W. Zhang, and D.W. Richter. Modulation of glycinergic synaptic current kinetics by octanol in mouse hypoglossal motoneurons. Eur. J. Physiol. (Pflügers Archiv) 438(5): 656-64, 1999.

[30] Nakano Y, Sakai H, Muro S, Hirai T, Oku Y, Nishimura K, and Mishima M. Comparison of low attenuation areas on computed tomographic scans between inner and outer segments of the lung in patients with chronic obstructive pulmonary disease: incidence and contribution to lung function. Thorax. 54(5): 384-9, 1999.

[31] Mishima M, Kawakami K, Hirai T, Takubo Y, Sakai H, Nakano Y, Muro S, Oku Y, Chin K, and Ohi M. Respiratory impedance during positive expiratory airway pressure in patients with chronic obstructive pulmonary disease. Front Med Biol Eng. 9(1): 63-73, 1999.

[32] Mishima M, Hirai T, Itoh H, Nakano Y, Sakai H, Muro S, Nishimura K, Oku Y, Chin K, Ohi M, Nakamura T, Bates JH, Alencar AM, and Suki B. Complexity of terminal airspace geometry assessed by lung computed tomography in normal subjects and patients with chronic obstructive pulmonary disease. Proc Natl Acad Sci U S A. 96(16): 8829-34, 1999.

[33] Hülsmann S, Oku Y, Zhang W, and Richter DW. Metabotropic glutamate receptors and blockade of glial Krebs cycle depress glycinergic synaptic currents of mouse hypoglossal motoneurons. Eur J Neurosci. 12(1): 239-46, 2000.

[34] Hülsmann S, Oku Y, Zhang W, and Richter DW. Metabolic coupling between glia and neurons is necessary for maintaining respiratory activity in transverse medullary slices of neonatal mouse. Eur J Neurosci. 12(3): 856-62, 2000.

[35] Muro S, Nakano Y, Sakai H, Takubo Y, Oku Y, Chin K, Nishimura K, Hirai T, Kawakami K, Nakamura T, and Mishima M. Distorted trachea in patients with chronic obstructive pulmonary disease. Respiration. 67(6): 638-44, 2000.

[36] Shoji T, Oku Y, Ishikawa S, and Wada H. Thoracoscopic electrode implantation for diaphragm pacing in dogs. Respiration. 69(1): 69-74, 2002.

[37] Yamashita, Y., Koyama, K., Kaya, M., Ishigaki, T., Tsujita, J., Hori, S. and Oku, Y.  The comparison between cool and warm-hot environments on lipolytic response during prolonged exercise. J. Physiol. Anthropol. Appl. Human Sci., 24, 535-539, 2005.

[38] Ishigaki, T., Koyama, K., Tsujita, J., Tanaka, N., Hori, S. and Oku, Y.  Plasma leptine levels of elite endurance runners after heavy endurance training. J. Physiol. Anthropol. Appl. Human Sci., 24, 573-578,2005.

[39] Tamaki, A., Hasegawa, S., Takemura, M., Banerjee, A., Tsujita, J., Hori, S. and Oku, Y.  Study of locomotor respiratory coupling during pedaling. Hyogo Ika Daigaku Igakkai Zasshi (Acta Med. Hyogo.) 30, 161-166, 2005.

[40] Kaya M, Moriwaki Y, Ka T, Inokuchi T, Yamamoto A, Takahashi S, Tsutsumi Z, Tsuzita J, Oku Y, Yamamoto T. Plasma concentrations and urinary excretion of purine bases (uric acid, hypoxanthine, and xanthine) and oxypurinol after rigorous exercise. Metabolism 55(1):103-7, 2006.

[41] Hori K, Ishigaki T, Kaya M, Tsujita J, Terada N, Oku Y, and Hori S. Effects of cold acclimation and deacclimation on glycogen metabolism in the liver of obese and lean Zucker rats. J Thermal Biol. 31: 131-136, 2006.

[42] Hori S, Hori K, Kaya M, Ishigaki T, Koyama K, Otani H, Tsujita J, and Oku Y. Comparison of body mass, food intake and plasma constituents in lean and obese Zucker rats under cold acclimation and deaclimation. J Thermal Biol. 31: 137-143, 2006.

[43] Oku Y and Okada M. Periodic breathing and dysphagia associated with a very localized lateral medullary infarction. Respirology, 2008; 13: 608-10.

[44] Okada Y, Kuwana S, Masumiya H, Kimura N, Chen Z, and Oku Y. Chemosensitive Neuronal network organization in the ventral medulla analyzed by dynamic voltage-imaging. Adv Exp Biol Med, 605: 353-358.

[45] Oku Y, Masumiya H, and Okada Y. Postnatal developmental changes in activation profiles of the respiratory neuronal network in the rat ventral medulla. J Physiol. Nov 15; 585(Pt 1):175-86, 2007.

[46] Okada Y, Tamura Y, Masumiya H, and Oku Y . Respiratory and metabolic acidosis differentially affect the respiratory neuronal network in the ventral medulla of neonatal rats. Eur J Neurosci. Nov; 26(10): 2834-43, 2007.