TY - RPRT TI - Transferrin polymorphism in Herdwick sheep. AU - S C Collis AU - G C Millson PY - 1975 DO - 10.1111/j.1365-2052.1975.tb01358.x UR - https://pubmed.ncbi.nlm.nih.gov/1217754/ ID - 1217754 ER -