title: Studies of the C3 polymorphism. Relationship between C3 phenotypes and antibody titres.
mesh_terms: D000017:ABO Blood-Group System; D000373:Agglutinins; D000906:Antibodies / Q000032:analysis*; D000937:Antigen-Antibody Reactions; D001769:Blood; D003165:Complement System Proteins; D004586:Electrophoresis; D005260:Female; D005787:Gene Frequency; D006648:Histocompatibility; D006801:Humans; D007231:Infant, Newborn; D007518:Isoantibodies; D010641:Phenotype; D011110:Polymorphism, Genetic; D011134:Polysaccharides; D011247:Pregnancy; D014470:Umbilical Cord
chemical_list: D000017:ABO Blood-Group System; D000373:Agglutinins; D000906:Antibodies; D007518:Isoantibodies; D011134:Polysaccharides; D003165:Complement System Proteins