Effectiveness of Pneumococcal Polysaccharide Vaccine in Older Adults.
Jackson, Lisa A.; Neuzil, Kathleen M.; Yu, Onchee; Benson, Patti; Barlow, William E.; Adams, Annette L.; Hanson, Christi A.; Mahoney, Lisa D.; Shay, David K.; Thompson, William W.
[Article] New England Journal of Medicine. 348(18):1747-1755, May 1, 2003.

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