Analgesic and anti-inflammatory properties of extracts from the bulbils of Dioscorea bulbifera L. var sativa (Dioscoreaceae) in mice and rats - Mbiantcha, M; Kamanyi, A; Teponno, R B; Tapondjou, A L; Watcho, P; Nguelefack, T B (Evid Based Complement Alternat Med, 2011)