title: CHANGES IN THE HUMAN A ANTIGEN OF ERYTHROCYTES WITH THE INDIVIDUAL'S AGE.
mesh_terms: D000293:Adolescent; D000375:Aging; D000941:Antigens; D001789:Blood Group Antigens; D002648:Child; D004899:Erythroblastosis, Fetal; D004912:Erythrocytes; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia
chemical_list: D000941:Antigens; D001789:Blood Group Antigens
keywords: ADOLESCENCE; AGING; ANTIGENS; BLOOD GROUPS; CHILD; ERYTHROBLASTOSIS, FETAL; INFANT; INFANT, NEWBORN; LEUKEMIA