TY - RPRT TI - Accelerated lambing using exogenous progesterone and the ram effect. AU - J E Wheaton AU - H F Windels AU - L J Johnston PY - 1992 DO - 10.2527/1992.7092628x UR - https://pubmed.ncbi.nlm.nih.gov/1399875/ ID - 1399875 ER -