[The phonocardiogram of premature infants].
D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*; D013016:Sound
CARDIAC MURMURS AND SOUNDS; INFANT, PREMATURE/physiology
Il fonocardiogramma nell'immaturo.