Nina KROTKINA, USSR Surgeon, oncologist and experimenter. Professor 1939; Doctor of Medicine Science since 1924; Head, Laboratory of Tumor Strains, Leningrad Oncological Institute, since 1926; consultant oncologist in Leningrad since 1942. Mechnikov Prize; Order of Lenin; medals. Member, Communist Party, since 1944.
1939 developed method of reproducing malignant bone tumors in rats, then in rabbits. 1939-1940 experimented at Sukhumi Medicine Biological Station and succeeded in inducing malignant bone tumors in monkeys. Works deal with experimental oncology and surgery.
1908-1914 worked in surgical clinic. 1914-1926 intern, Chair of Surgery, Petrograd Women's Medicine Institute, now Leningrad Pavlov Medicine Institute. 1922-1926 at Professor N. N. Petrov’s Experimental Oncological Laboratory.
1941-1945 surgeon in Leningrad military hospital.