P. SOOD, B. BHAVNA, R. KUMAR, M. VERMA, V. SANKHYAN, and M. M. SINGH, “Association of different biochemicals in the estrual genital discharge with pregnancy in Jersey crossbred cows”, Indian J of Anim Sci, vol. 83, no. 4, Apr. 2013, doi: 10.56093/ijans.v83i4.28896.