1. Schwartzstein RM, Paker MJ (2006) Respiratory physiology. A clinical approach. Lippincott Williams & Wilkins, Philadelphia
2. Gallego J, Nsegbe E, Durand E (2001) Learning in respiratory control. Behav Modif 25:495–512
3. West JB (2000) Respiration physiology. 6th edition. Lippincott Williams & Wilkins, Philadelphia
4. Ganong WF (1993) Regulation of respiration. In: Review of medical physiology, 16th edition. Appleton & Lange, Norwalk, pp 611–619
5. Bee DH (1993) The carotid body: a review of its anatomy, physiology and clinical importance. Monaldi Arch Chest Dis 48:48–53