TY - GEN AU - Ocklitz,H W TI - [Pediatrician and hygiene] SN - 0049-8610 PY - 1971///1202 KW - Adolescent KW - Child KW - Child, Preschool KW - Germany, East KW - Humans KW - Hygiene KW - Infant KW - Infant, Newborn KW - Pediatrics KW - Preventive Health Services KW - Preventive Medicine N1 - Publication Type: Journal Article ER -