Hydroxy-α sanshool induces colonic motor activity in rat proximal colon: a possible involvement of KCNK9 - Kubota, K; Ohtake, N; Ohbuchi, K; Mase, A; Imamura, S; Sudo, Y; Miyano, K; Yamamoto, M; Kono, T; Uezono, Y (Am J Physiol, 2015)