Oral Administration of Chios Mastic Gum or Extracts in Mice: Quantification of Triterpenic Acids by Liquid Chromatography-Tandem Mass Spectrometry - Lemonakis, Nikolaos; Magiatis, Prokopios; Kostomitsopoulos, Nikolaos; Skaltsounis, Alexios-Leandros; Tamvakopoulos, Constantin (Planta Medica, 2011)