Provider: Japan Science and Technology Agency Database: J-STAGE Content:text/plain; charset="utf-8" TY - JOUR TI - TIME DEPENDENT EFFECTS OF CAFFEINE ON THE FREQUENCY OF N-METHYL-N'-NITRO-N-NITROSOGUANIDINE-INDUCED MUTATION IN CHINESE HAMSTER CELLS IN VITRO TI - AU - TSUDA,HIROHISA JO - The Japanese journal of genetics VL - 54 IS - 5 SP - 333 EP - 343 PY - 1979 DO - 10.1266/jjg.54.333 ER -