Obesity and respiratory stress.
D006801:Humans; D006935:Hypercapnia / Q000209:etiology; D006976:Hypertension, Pulmonary / Q000209:etiology; D000860:Hypoxia / Q000209:etiology; D009765:Obesity / Q000150:complications / Q000503:physiopathology*; D011656:Pulmonary Emphysema / Q000150:complications; D012119:Respiration; D012137:Respiratory System / Q000503:physiopathology*; D013147:Spirometry