@ARTICLE{
author={Villani Michela,...,Kovac Mirjana K,...,(broj koautora 20)},
year={2019},
title={Rationale and design of two prospective, multicenter, observational studies on reproductive outcome in women with recurrent failures after spontaneous or assisted conception: OTTILIA and FIRST registries},
journal={BMC PREGNANCY AND CHILDBIRTH},
volume={19},
number={1},
pages={-},
document_type={Article},
}