R. RANJAN, R. K. SAWAL, A. RANJAN, and N. V. PATIL, “Comparison of calcium absorption from nano- and micro-sized calcium salts using everted gut sac technique”, Indian J of Anim Sci, vol. 89, no. 3, pp. 337–339, Mar. 2019, doi: 10.56093/ijans.v89i3.88101.