1. Schepartz SA. Early history and development of the nitrosoureas. Cancer Treatment Rep 1976; 60: 647–649.
2. Greene MO, Greenberg J. The activity of nitrosoguanidines against ascites tumors in mice. Cancer Res 1960; 44: 1166–1171.
3. Montgomery JA. Chemistry and structure-activity studies of the nitrosoureas. Cancer Treatment Rep 1976; 60: 651–664.
4. Montgomery JA. The development of the nitrosoureas: A study in congener synthesis. In: Prestayko AW, Crooke ST, Baker LH, Carter SK, Schein PS, eds. Nitrosoureas: Current Status and New Developments. New York: Academic. 1981: 3–8.
5. Skipper HE, Schabel FM Jr, Trader MW, Thomson JR. Experimental evaluation of potential anticancer agents. VI. Anatomical distribution of leukemic cells and failure of chemotherapy. Cancer Res 1961; 21: 1154–1164.