TY - GEN AU - Browne,G A TI - Birth rank and the incidence of cleft lip and palate SN - 0028-8047 PY - 1969///1023 KW - Birth Order KW - Cleft Lip KW - epidemiology KW - Cleft Palate KW - Female KW - Humans KW - Maternal Age KW - New Zealand N1 - Publication Type: Journal Article ER -