Enemchukwu, , B., Ubaoji, K.I., Igwilo, I.O. and Udedi, S. 2013. 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. 1, 1 (May 2013), 108-113.