title: Anti-A isoagglutinins and pneumococcal vaccine.
mesh_terms: D000017:ABO Blood-Group System / Q000276:immunology; D000328:Adult; D001428:Bacterial Vaccines / Q000009:adverse effects*; D003470:Culture Media; D004311:Double-Blind Method; D005260:Female; D006388:Hemagglutinins / Q000096:biosynthesis*; D006801:Humans; D007518:Isoantibodies / Q000096:biosynthesis; D008297:Male; D011247:Pregnancy; D011897:Random Allocation; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D000017:ABO Blood-Group System; D001428:Bacterial Vaccines; D003470:Culture Media; D006388:Hemagglutinins; D007518:Isoantibodies