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The Highs and Lows of pH
By: Kirsten Sheridan
Posted: June 9, 2008
page 5 of 5
P M Elias and K R Feingold, Skin Barrier, Taylor & Francis Group (2006)
G J Tortora and S R Grabowski, Introduction To The Human Body: The Essentials of Anatomy and Physiology, Wiley (2004)