@article{f78a6ba0b24e11ddb04f000ea68e967b,
title = "Selection of controls.",
abstract = "Udgivelsesdato: 2007-Oct-8",
author = "{von Euler-Chelpin}, M and E Lynge",
note = "Keywords: Bias (Epidemiology); Case-Control Studies; Humans; Patient Selection; Selection Bias",
year = "2007",
doi = "10.1038/sj.bjc.6603975",
language = "English",
volume = "97",
pages = "1019; author reply 1020",
journal = "The British journal of cancer. Supplement",
issn = "0007-0920",
publisher = "nature publishing group",
number = "7",
}