Assessment of the pneumococcal polysaccharide vaccine. Boston, Massachusetts, October 6, 1980.
D000818:Animals; D001428:Bacterial Vaccines; D006801:Humans; D022242:Pneumococcal Vaccines; D011135:Polysaccharides, Bacterial
D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines; D011135:Polysaccharides, Bacterial