title: Blood group substances in pneumococcal vaccine.
mesh_terms: D001428:Bacterial Vaccines / Q000032:analysis*; D001789:Blood Group Antigens; D004340:Drug Contamination; D022242:Pneumococcal Vaccines; D013296:Streptococcus pneumoniae
chemical_list: D001428:Bacterial Vaccines; D001789:Blood Group Antigens; D022242:Pneumococcal Vaccines