Z. Mahboobi, N. Karimi, and A. Jahanbakhshi, “Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio”, J. Adv. Vet. Anim. Res, vol. 10, no. 3, pp. 385–394, Sep. 2023.