[The 20 minute muscular exercise test. Results observed in pneumoconiosis patients].
D019069:Cell Respiration; D005080:Exercise Test; D009132:Muscles; D005082:Physical Exertion; D011009:Pneumoconiosis / Q000473:pathology*; D012119:Respiration / Q000502:physiology*
EXERTION; PNEUMOCONIOSIS/pathology; RESPIRATION/physiology