THE CHEMICAL ANALYSIS OF GALL STONES IN THE SOUTHEAST TURKEY - DEĞERTEKİN, Halil and UZUNALİMOĞLU, Özden and ALIÇ, Bülent and AKBABA, Samet and GÖRAL, Vedat and GÖYMEN, Güler and HOŞCAN, Meral (Turkish Journal of Gastroenterology, 1993)