@ARTICLE{
author={Zivkovic Dragana,Bica Domingos TG,Hadziselimovic Faruk},
year={2007},
title={Relationship between adult dark spermatogonia and secretory capacity of Leydig cells in cryptorchidism},
journal={BJU INTERNATIONAL},
volume={100},
number={5},
pages={1147-1149},
document_type={Article},
}