@article{ref1,
title="Usefulness of population controls in retrospective studies of alcohol consumption. Experience from a case--control study of esophageal cancer in Ille-et-Vilaine, France",
journal="Journal of studies on alcohol",
year="1978",
author="Jensen, O. M. and Tuyns, A. J. and Péquignot, G.",
volume="39",
number="1",
pages="175-182",
abstract="Men from the general population of an area, interviewed in their homes, and men from the same area who were hospitalized (without alochol-related diseases) and interviewed in the hospital had similar distributions according to alcohol use.<p /><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}