Panida Kittiwarawut. 1989. Zinc, copper and related enzyme levels in blood of Thai adults up to 60 years old. Faculty of Graduate Studies, Mahidol University;
Panida Kittiwarawut. (1989) Zinc, copper and related enzyme levels in blood of Thai adults up to 60 years old . Mahidol University/Bangkok.
Panida Kittiwarawut. Zinc, copper and related enzyme levels in blood of Thai adults up to 60 years old. . Bangkok:Mahidol University, 1989.
Panida Kittiwarawut. (1989) Zinc, copper and related enzyme levels in blood of Thai adults up to 60 years old . Mahidol University/Bangkok.