[Studies on intraesophageal pressure and respiration in newborn infants. (1). Recording methods].
D004947:Esophagus; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis; D011312:Pressure; D012119:Respiration / Q000502:physiology*; D012129:Respiratory Function Tests / Q000295:instrumentation*