Blood-group-A-like substances in pneumococcal vaccine.
D000017:ABO Blood-Group System; D001428:Bacterial Vaccines / Q000009:adverse effects*; D006801:Humans; D011008:Pneumococcal Infections / Q000517:prevention & control*; D013296:Streptococcus pneumoniae / Q000276:immunology*
D000017:ABO Blood-Group System; D001428:Bacterial Vaccines