TY - RPRT TI - Subdivision of the three common haptoglobin types based on 'hidden' diffrences. AU - G E CONNELL AU - G H DIXON AU - O SMITHIES PY - 1962 DO - 10.1038/193505a0 UR - https://pubmed.ncbi.nlm.nih.gov/13880879/ ID - 13880879 ER -