TY - RPRT TI - Antibody differentiation: apparent sequence identity between variable regions shared by IgA and IgG immunoglobulins. AU - C Sledge AU - D S Fair AU - B Black AU - R G Krueger AU - L Hood PY - 1976 DO - 10.1073/pnas.73.3.923 UR - https://pubmed.ncbi.nlm.nih.gov/1062807/ ID - 1062807 ER -