%0 Journal Article %T Efficacy and safety of HX 110-A and HX 110-B in promoting respiratory health: protocol for an 8-week, randomized, double-blind, parallel group, placebo-controlled trial %A Lee, Jung-Kyu %A Oh, Bumjo %A Lee, Hyun Woo %A Yoon, Seo-Young %A Park, Tae Yun %A Heo, Eun Young %A Kim, Deog Kyeom %J Annals of Palliative Medicine %D 2020 %B 2020 %9 %! Efficacy and safety of HX 110-A and HX 110-B in promoting respiratory health: protocol for an 8-week, randomized, double-blind, parallel group, placebo-controlled trial %K %X %U https://apm.amegroups.org/article/view/50905 %V 9 %N 5 %P 3584-3592 %@ 2224-5839