Effectiveness of pneumococcal vaccine
- PMID: 9643766
- DOI: 10.1016/s0140-6736(98)26017-x
Effectiveness of pneumococcal vaccine
Comment on
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Randomised trial of 23-valent pneumococcal capsular polysaccharide vaccine in prevention of pneumonia in middle-aged and elderly people. Swedish Pneumococcal Vaccination Study Group.Lancet. 1998 Feb 7;351(9100):399-403. doi: 10.1016/s0140-6736(97)07358-3. Lancet. 1998. PMID: 9482293 Clinical Trial.
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