title: Primary and secondary variants in immunoglobulin heavy chain production.
mesh_terms: D000166:Acridines; D002999:Clone Cells / Q000276:immunology* / Q000378:metabolism; D007126:Immunoglobulin Allotypes; D007074:Immunoglobulin G / Q000096:biosynthesis*; D007143:Immunoglobulin Heavy Chains / Q000096:biosynthesis*; D008970:Molecular Weight; D009154:Mutation; D009194:Myeloma Proteins / Q000096:biosynthesis* / Q000378:metabolism
chemical_list: D000166:Acridines; D007126:Immunoglobulin Allotypes; D007074:Immunoglobulin G; D007143:Immunoglobulin Heavy Chains; D009194:Myeloma Proteins