Effect of melatonin on the induction of foci of aberrant crypts in the colon by azoxymethane in rats
John H. Weisburger, Abraham Rivenson, Chang-In Choi, Joel Reinhardt, Brian Pittman, and Edith Zang
Environ Health Prev Med. 2004 September; 9(5): 234–237. doi: 10.1007/BF02898105.PMCID: PMC2723607