The effect of subcutaneous injections of arginine on the growth of the U.C.L.A. fibrosarcoma and the Jensen sarcoma has been studied with male and female rats. Growth-stimulating and growth-inhibiting effects of arginine on these tumors have been observed depending upon the experimental conditions.
Paper No. 97. For the preceding related paper (No. 95) see Levy et al. (12). This work was supported by Cancer Research Funds of the University of California.