ocr: How Do D, Cell Type Determaned (Rad) n (Rad) Hamster V-79 In vitro -160 -7 250-300 fibroblast Chang liver In vitro 150 2 150 Hela In - vitro 130 4 180 P388 leukemia In vivo 130 8.5 280 Mouse bone marrow In VIVO 90-100 1.5-2.0 -60 Mouse small In vivo 100 50 390 intestine Mouse chondroblast In I vivo 160 9 350 Rat endothelium In vivo 170 7 340