title: Behavior update: The second year of life.
mesh_terms: D001318:Authoritarianism; D002652:Child Behavior; D002657:Child Development; D002675:Child, Preschool; D003248:Constipation / Q000523:psychology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D002666:Psychology, Child