E. ULUSOY, R. GÖZDAŞOĞLU, A. ALPER, K. DAĞALP, and M. İsmet YILMAZER, “INPORTANCE OF TRACE ELEMENTS AND S-A ALBUMIN GRADIENT IN THE CIRRHOTIC AND NON-CIRRHOTIC ASCITES GROUPS”, Turkish Journal of Gastroenterology, vol. 5, no. 1, pp. 23–26, Jan. 1994.