@misc{misc3a1a6a1e, title = {Systematic review of cost-effectiveness of vaccinating elderly whit the 23-valent pneumococcal polysaccharide vaccine (PPV23)}, author = {Nishikawa, A. M and Mainardi, G. M and Novaes, Hillegonda Maria Dutilh and Sartori, Ana Marli Christovam and Soarez, Patricia Coelho de}, year = {2017}, booktitle = {ISPOR Annual international meeting} }