Kiendrebeogo, M.; Choisnard, L.; Lamien, C. E.; Meda, A.; Wouessidjewe, D.; Nacoulma, O. G. EXPERIMENTAL DESIGN OPTIMIZATION FOR SCREENING RELEVANT FREE PHENOLIC ACIDS FROM VARIOUS PREPARATIONS USED IN BURKINA FASO FOLK MEDICINE. Afr J Tradit Complement Altern Med 2006, 3, 115-128.