Pulmonary ventilation and perfusion in normal subjects and in patients with emphysema.
D019069:Cell Respiration; D004646:Emphysema; D011656:Pulmonary Emphysema / Q000502:physiology*; D012123:Pulmonary Ventilation; D012119:Respiration / Q000502:physiology*
PULMONARY EMPHYSEMA/physiology; RESPIRATION/physiology