Pneumococcal polysaccharide vaccination for adults: new perspectives for Europe.
Fedson DS, Nicolas-Spony L, Klemets P, van der Linden M, Marques A, Salleras L, Samson SI. Pneumococcal polysaccharide vaccination for adults: new perspectives for Europe. Expert Rev Vaccines. 2011 Aug; 10(8):1143-67.