Doubts about the 'anaerobic work...substance' as a stimulus to breathing exercise.
D006801:Humans; D000860:Hypoxia; D010100:Oxygen / Q000097:blood; D005082:Physical Exertion; D012119:Respiration / Q000502:physiology*; D011984:Sensory Receptor Cells / Q000502:physiology; D013147:Spirometry
D010100:Oxygen