. 2015 Nov;44(11):1473–1481.
Copyright© Iranian Public Health Association & Tehran University of Medical Sciences
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
Fig. 1: Results of pH for samples of RAS.
