title: Blood group A substances are not present in currently available pneumococcal vaccine.
authors.forename: D R
authors.initials: DR
authors.lastname: Nalin
authors.forename: W
authors.initials: W
authors.lastname: Morges
mesh_terms: D000017:ABO Blood-Group System / Q000276:immunology*; D001428:Bacterial Vaccines / Q000276:immunology*; D004340:Drug Contamination; D022242:Pneumococcal Vaccines; D013296:Streptococcus pneumoniae / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines