ESTABLISHMENT OF FOUR LINES OF TRANSPLANTABLE RAT LEUKEMIA INDUCED BY N-NITROSOBUTYLUREA IN DONRYU RATS

Abstract

History of development of four lines of transplantable leukemia originating in Donryu rats by N-nitrosobutylurea, and their cytological, biological, and pathological characteristics observed in the rats which received intraperitoneal transplantation with these leukemia cells during the past one Year are described.