title: Sex differences in newborns with special reference to differences in the organization of oral behavior.
mesh_terms: D001307:Auditory Perception; D002652:Child Behavior; D002657:Child Development; D003448:Crying; D012734:Disorders of Sex Development; D005260:Female; D007839:Functional Laterality; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009043:Motor Activity; D009055:Mouth / Q000502:physiology*; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology; D012737:Sex Factors; D012879:Skin Physiological Phenomena; D012890:Sleep; D013391:Sucking Behavior; D013649:Taste; D014110:Touch; D014796:Visual Perception