ENEMCHUKWU, , B.; UBAOJI, K. I.; IGWILO, I. O.; UDEDI, S. Effects of Temperature, pH and Substrate Concentration on the Kinetics of Salivary Alpha- Amylase Activity among Cigarette Smokers in Awka, Anambra State, Nigeria. . The Bioscientist Journal, v. 1, n. 1, p. 108-113, 3 May 2013.