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The tissue culture of human colonic carcinoma with and without feeder layers of confluent C3H 10T1/2 mouse fibroblast was compared. In a series of 27 different tumor specimens, 21 long-term cultures(More)
A 72-year-old man originally seen for anemia and thrombocytopenia was determined to have chronic lymphocytic leukemia (CLL). Bone marrow examination at the time of CLL diagnosis revealed a small but(More)