TY - RPRT TI - Localization of two additional hypervariable regions in immunoglobulin heavy chains. AU - J M Kehoe AU - J D Capra PY - 1971 DO - 10.1073/pnas.68.9.2019 UR - https://pubmed.ncbi.nlm.nih.gov/5289360/ ID - 5289360 ER -