Efficacy and Safety of Cinnamon Stomachic Mixture for Patients with Functional Dyspepsia oleh Sunanta Jindarat, Chaweewan Muangnoi, Dalicha Changsiriporn, Anuchit Platong, Bangon Thanamontra, Duangrat Chiewchanwit, Viparat Vongvanvatana, Noppawan Rongrungsri, Kumrai Krittasilp, Nutteera Kaewkong, Sairung Kantawan, Nilnetr Virasombat, Veena Mongkolporn, Wilai Prakobkij, Khanidtha Wanleepong, Chatchawal Maneekul, Sittikom Benchakhanta, Piyamit Boonpok, Wilaiwan Kunnasut, Laddawan Tongkleaw, Adisorn Vatthanasak, Jiranya Mookkhan, Chaiwat Jatuporn, Kullana Tuntiprawan, Sirirung Teerawongseree, Saowakhon Ussawasrisuwan, Pojawan Thamcharoen, Thunyaporn Keawsontaya, Anchalee Chuthaputti, Porntip Termviset, Visanu Thamlikitkul