[Phonocardiographic study of modifications of the amplitude of cardiac sounds induced, in subjects with a normal cardiovascular system, by respiration of a mixture poor in oxygen].
D002319:Cardiovascular System; D019069:Cell Respiration; D006347:Heart Sounds; D006801:Humans; D010100:Oxygen; D010701:Phonocardiography; D012119:Respiration / Q000502:physiology*
D010100:Oxygen
PHONOCARDIOGRAPHY; RESPIRATION/physiology