@article{ref1,
title="Side effects and complications of use of hormonal contraceptives (literature survey)",
journal="Voprosy Okhrany Materinstva i Detstva",
year="1976",
author="Pytel', Iu A. and Zolotarev, I. I. and Tsomyk, V. G. and Datuashvili, T. D.",
volume="21",
number="8",
pages="79-81",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0042-8825",
doi="",
url="http://dx.doi.org/"
}