BLOOD GROUPS AND ABORTIONS.
D000017:ABO Blood-Group System; D000028:Abortion, Induced; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens; D035843:Biomedical Research; D044383:Black People; D001789:Blood Group Antigens; D001787:Blood Group Incompatibility; D002140:California; D004912:Erythrocytes; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007246:Infertility; D010920:Placenta; D011247:Pregnancy; D013223:Statistics as Topic; D044465:White People; D001741:Black or African American
D000017:ABO Blood-Group System; D000941:Antigens; D001789:Blood Group Antigens
ABO FACTORS; ABORTION; ANTIBODY FORMATION; ANTIGEN-ANTIBODY REACTIONS; ANTIGENS; BLOOD GROUP INCOMPATIBILITY; CALIFORNIA; CAUCASIAN RACE; CLINICAL RESEARCH; ERYTHROCYTES; INFANT, NEWBORN; NEGROES; PLACENTA; PREGNANCY; STATISTICS; STERILITY