title: Long-term follow-up and booster immunization with polyvalent pneumococcal polysaccharide in patients with sickle cell anemia.
mesh_terms: D000293:Adolescent; D000755:Anemia, Sickle Cell / Q000150:complications*; D000907:Antibodies, Bacterial / Q000032:analysis; D001428:Bacterial Vaccines / Q000008:administration & dosage*; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D007117:Immunization, Secondary; D008137:Longitudinal Studies; D011008:Pneumococcal Infections / Q000276:immunology / Q000517:prevention & control*; D011135:Polysaccharides, Bacterial / Q000008:administration & dosage*; D013296:Streptococcus pneumoniae; D013789:Thalassemia / Q000150:complications
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial