@article{dd387b4f27b9428882012014ee226db8,
title = "Use of exogenous hormones and the risk of breast cancer: results from self-reported survey data with validity assessment",
keywords = "Breast cancer, Case-control study, Epidemiology, Hormonal contraceptives, Intrauterine device, Breast cancer, Case-control study, Epidemiology, Hormonal contraceptives, Intrauterine device",
author = "Sanna Heikkinen and Markku Koskenvuo and Nea Malila and Tytti Sarkeala and Eero Pukkala and Janne Pitk{\"a}niemi",
year = "2015",
doi = "10.1007/s10552-015-0702-5",
language = "English",
}