TY - RPRT TI - Somatic mutation in constant regions of mouse lambda 1 light chains. AU - N Motoyama AU - H Okada AU - T Azuma PY - 1991 DO - 10.1073/pnas.88.18.7933 UR - https://pubmed.ncbi.nlm.nih.gov/1910169/ ID - 1910169 ER -