Pneumococcal vaccine.
Bruyn
G A
GA
D000368:Aged; D001428:Bacterial Vaccines / Q000008:administration & dosage*; D006801:Humans; D022242:Pneumococcal Vaccines; D011014:Pneumonia / Q000517:prevention & control*; D012307:Risk Factors; D013156:Splenectomy
D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines