Medicinal formulations of a Kanda tribal healer--a tribe on the verge of disappearance in Bangladesh. - Rahmatullah M; Ayman U; Akter F; Sarker M; Sifa R; Sarker B; Chyti HN; Jahan FI; Chowdhury MH; Chowdhury SA (African journal of traditional, complementary, and alternative medicines : AJTCAM, 2012)