[INFORMATION ON SOME SUCKING AND BITING ACTIVITIES AND BEGINNINGS OF CLEANSING ACTIVITIES IN INFANTS].
D002648:Child; D002653:Child Behavior Disorders; D006801:Humans; D007223:Infant; D007224:Infant Care; D002666:Psychology, Child
CHILD; CHILD BEHAVIOR DISORDERS; CHILD PSYCHOLOGY; INFANT; INFANT CARE
P R'ISP EVEK O N EKTER'YCH SAC'ICH A KOUSAC'ICH  CINNOSTECH A ZA C'ATKU  CISTOTNOSTI PRUM ERN'YCH D ET'I 'UTL'EHO V EKU.