U. LAKSHMIKANTAN, V. S. VADIVOO, T. GEETHA, and R. MATHIVANAN, “Effect of progesterone coated nano fibre dermal patch (ProSync-NF) on cattle diagnosed with Anestrus and silent or unobserved estrus”, Indian J of Anim Sci, vol. 91, no. 1, pp. 05–08, Jul. 2021, doi: 10.56093/ijans.v91i1.113217.