TY - GEN AU - Reed,T E TI - Research on blood groups and selection from the child health and development studies, Oakland, California. II. Gravidae's characteristics SN - 0002-9297 PY - 1968///0522 KW - ABO Blood-Group System KW - Adult KW - Black or African American KW - Age Factors KW - Blood Group Antigens KW - Body Height KW - Body Weight KW - California KW - Female KW - Humans KW - Menstruation Disturbances KW - epidemiology KW - Pregnancy KW - Puberty KW - Rh-Hr Blood-Group System KW - Smoking KW - Statistics as Topic KW - White People N1 - Publication Type: Journal Article ER -