Fo, Dario. Morte accidentale di un anarchico. English : Drama for students. Volume 23 : presenting analysis, context and criticism on commonly studied dramas / Sara Constantakis, project editor ; foreword by Carole L. Hamilton
Fo jiao ci ji ci shan shi ye ji jin hui. / http://id.loc.gov/authorities/names/no96051261 : Taiwan's Tzu Chi as engaged Buddhism : origins, organization, appeal and social impact / by Yu-Shuang Yao
Physiologic methyl radical donor involved in enzymatic transmethylation reactions and present in all living organisms. It possesses anti-inflammatory activity and has been used in treatment of chronic liver disease. (From Merck, 11th ed)