1. The concentration of androgen receptor and protein kinase A in male chicken following the administration of a combination of the epididymis and testicular extracts
   Muslim Akmal et al, 2020, Veterinary World CrossRef
2. The concentration of testosterone, pituitary adenylate cyclase-activating polypeptide, and protamine 1 in the serum of male chicken following administration of epididymis and testicular extracts and their combination
   Muslim Akmal et al, 2019, Veterinary World CrossRef