Manampiring, N. et al. 2016. Expression of Growth Hormone Gene in the Pituitary of Piglets Born to Gilts Injected with Pregnant Mare Serum Gonadotropin and human Chorionic Gonadotropin Prior to Mating. International Journal of Sciences: Basic and Applied Research (IJSBAR). 30, 4 (Dec. 2016), 446–455.