A. S. MEENA, R. KUMAR, R. KUMARI, B. JYOTSANA, L. L. L. PRINCE, and S. KUMAR, “Genetic polymorphism of melatonin receptor 1A (MTNR1A) gene in Indian sheep breeds”, Indian J of Anim Sci, vol. 83, no. 12, pp. 1284–1287, Dec. 2013, doi: 10.56093/ijans.v83i12.35803.