Chang, B D Estrous cycle modulation of O6-alkylguanine-DNA alkyltransferase expression in rat mammary epithelial cells. [electronic resource] - Cancer letters Nov 1993 - 11-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0304-3835 Standard No.: 10.1016/0304-3835(93)90201-j doi Subjects--Topical Terms: AnimalsBase SequenceEpithelium--enzymologyEstrusFemaleLiver--enzymologyMammary Glands, Animal--enzymologyMammary Neoplasms, Experimental--chemically inducedMethylnitrosourea--pharmacologyMethyltransferases--biosynthesisMolecular Sequence DataO(6)-Methylguanine-DNA MethyltransferaseRNA, Messenger--analysisRatsRats, Sprague-Dawley