@article{doi:10.1001/archpedi.1939.01990080225030,
title = {ENsayo de investigacion de la mortalidad infantil en san salvador y algunas sugerencias para combatirla.},
journal = {American Journal of Diseases of Children},
volume = {58},
number = {2},
pages = {449},
year = {1939},
doi = {10.1001/archpedi.1939.01990080225030},
URL = { + http://dx.doi.org/10.1001/archpedi.1939.01990080225030},
eprint = {/data/Journals/PEDS/23947/archpedi_58_2_030.pdf}
}