[Head lifting and behavior of newborn infants in the prone position].
D001724:Birth Weight; D006257:Head; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D009043:Motor Activity; D011187:Posture; D012737:Sex Factors
Kopfhebung und Verhalten Neugeborener in Bauchlage.