The clonal-selection theory.
Ada
G L
GL
Nossal
G
G
D000486:Allergy and Immunology / Q000266:history*; D000916:Antibody Diversity; D001402:B-Lymphocytes / Q000502:physiology; D002999:Clone Cells; D049672:History, 19th Century; D049673:History, 20th Century