@book{Selvin2001,
author = {Selvin, S.},
title= {Epidemiologic analysis: A case-oriented approach},
year = {2001},
doi = {10.1093/acprof:oso/9780195146189.001.0001},
URL = {https://doi.org/doi:10.1093/acprof:oso/9780195146189.001.0001},
address = {Oxford},
publisher = {Oxford University Press},
}