TY - RPRT TI - Hemoglobin polymorphism in Microtus pennsylvanicus. AU - L P Stratton AU - L K Duffy PY - 1976 DO - 10.1016/0305-0491(76)90267-4 UR - https://pubmed.ncbi.nlm.nih.gov/1277810/ ID - 1277810 ER -