Filtering by: Date 1987 Remove constraint Date: 1987 Department Dept. of Microbiology and Immunology Remove constraint Department: Dept. of Microbiology and Immunology Keyword immunoglobulin variable region Remove constraint Keyword: immunoglobulin variable region Keyword immunogenetics Remove constraint Keyword: immunogenetics Keyword antibody-producing cells Remove constraint Keyword: antibody-producing cells School School of Medicine Remove constraint School: School of Medicine