title: Pneumococcal pneumonia in Rhode Island: implications for vaccine use.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001428:Bacterial Vaccines; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D022242:Pneumococcal Vaccines; D011018:Pneumonia, Pneumococcal / Q000453:epidemiology* / Q000517:prevention & control; D012189:Retrospective Studies; D012237:Rhode Island; D012306:Risk; D013296:Streptococcus pneumoniae
chemical_list: D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines