MANSER, W.W., QADIRUDDIN, M., SHIRIN, K., TALATI, J. and SYED, A.M. 1995. ?TRACE ELEMENT STUDIES IN UROLITHIASIS: PRELIMINARY INVESTIGATION ON CALCIUM OXALATE AND MIXED CALCIUM OXALATE-HYDROXYAPATITE URINARY CALCULI. Biological Sciences - PJSIR. 38, 1 (Jan. 1995), 8–10.