Neuritogenic effect of standardized extract of Centella asiatica ECa 233 on human neuroblastoma cells - Wanakhachornkrai, O; Pongrakhananon, V; Chunhacha, P; Wanasuntronwong, A; Vattanajun, A; Tantisira, B; Chanvorachote, P; Tantisira, M (BMC Complement Altern Med, 2013)