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Zivkovic Dragana,Varga Jan,Konstantinidis Georgios,Vlaski Jovan,Snyder Howard M,Hadziselimovic Faruk (2009) Regional differences in maturation of germ cells of cryptorchid testes: role of environment, ACTA PAEDIATRICA, vol. 98, br. 8, str. 1339-1343 (Article) 

Zivkovic Dragana,Bica Domingos TG,Hadziselimovic Faruk (2007) Relationship between adult dark spermatogonia and secretory capacity of Leydig cells in cryptorchidism, BJU INTERNATIONAL, vol. 100, br. 5, str. 1147-1149 (Article) 

Hadziselimovic Faruk,Zivkovic Dragana (2007) Is the prohibition of hormonal treatment for cryptorchidism, as suggested by the Nordic consensus group, justifiable ?, ACTA PAEDIATRICA, vol. 96, br. 9, str. 1368-1369 (Letter)