A. S. Qureshi1, H. M. Saif-Ur-Rahman, M. Z. Ali, and R. Kausar. "CHANGES IN TESTICULAR HISTOMORPHOLOGY AND SERUM TESTOSTERONE CONCENTRATION OF HELMETED GUINEA FOWL (NUMIDA MELEAGRIS) DURING DIFFERENT REPRODUCTIVE PHASES IN PAKISTAN." Journal of Animal and Plant Sciences, vol. 26, no. 2, 2016, pp. 564-568.