@article{a9723254f80a4e6da25c7d62999e4f7b,
title = "Pneumococcal vaccination in older adults",
keywords = "Bias (Epidemiology), Confounding Factors (Epidemiology), Hospitalization, Humans, Pneumococcal Vaccines, Pneumonia, Pneumococcal, Risk",
author = "Eelko Hak and Bonten, {Marc J M} and Hoes, {Arno W}",
year = "2003",
month = aug,
day = "14",
language = "English",
volume = "349",
journal = "New England Journal of Medicine",
issn = "0028-4793",
publisher = "MASSACHUSETTS MEDICAL SOC",
number = "7",
}