title: [Biological principles of psychological development in infancy].
mesh_terms: D001921:Brain / Q000502:physiology*; D002657:Child Development / Q000502:physiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008606:Mental Processes / Q000502:physiology; D011247:Pregnancy; D002666:Psychology, Child
vernacular_title: Uber biologische Grundlagen der seelischen Entwicklung im Säuglingsalter.