@article{doi:10.1001/archinte.1947.00220110058004,
author = {KAUFMAN P},
title = {Pneumonia in old age: Active immunization against pneumonia with pneumococcus polysaccharide; results of a six year study},
journal = {Archives of Internal Medicine},
volume = {79},
number = {5},
pages = {518-531},
year = {1947},
doi = {10.1001/archinte.1947.00220110058004},
URL = { + http://dx.doi.org/10.1001/archinte.1947.00220110058004},
eprint = {/data/Journals/INTEMED/14817/archinte_79_5_004.pdf}
}