The variations in intra-abdominal pressure and the activity of the abdominal muscles during breathing; a study in man.
D000005:Abdomen; D000009:Abdominal Muscles; D034861:Abdominal Wall / Q000502:physiology*; D019069:Cell Respiration; D006801:Humans; D008297:Male; D012119:Respiration / Q000502:physiology*
ABDOMEN; ABDOMINAL WALL/physiology; RESPIRATION/physiology