title: Factors affecting normal and malignant B lymphocyte precursors.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology* / Q000276:immunology; D002453:Cell Cycle; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D006801:Humans; D007938:Leukemia / Q000276:immunology / Q000473:pathology*; D007942:Leukemia, Experimental / Q000473:pathology*; D051379:Mice; D008814:Mice, Inbred NZB; D011230:Precancerous Conditions / Q000473:pathology