(Q47711077)
Statements
Effectiveness of a 23-valent polysaccharide vaccine in preventing pneumonia and non-invasive pneumococcal infection in elderly people: a large-scale retrospective cohort study (English)
F Ansaldi
V Turello
P Lai
G Bastone
S De Luca
P Durando
L Sticchi
R Gasparini
E Delfino
1 September 2005
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