Safety and tolerability of an antiasthma herbal formula (ASHMI[TM]) in adult subjects with asthma: a randomized, double-blinded, placebo-controlled, dose-escalation phase I study. - Kelly-Pieper K; Patil SP; Busse P; Yang N; Sampson H; Li X; Wisnivesky JP; Kattan M (Journal of Alternative & Complementary Medicine, 2009)