TY - RPRT TI - Mouse immunoglobulin heavy chains are coded by multiple germ line variable region genes. AU - P Barstad AU - V Farnsworth AU - M Weigert AU - M Cohn AU - L Hood PY - 1974 DO - 10.1073/pnas.71.10.4096 UR - https://pubmed.ncbi.nlm.nih.gov/4215076/ ID - 4215076 ER -