All Issue Home All Issues 2018 2018 Vol. 18, Issue No.1 A literature review of patient safety in Korea: focused on domestic studies Ji-Young Hwang·Jin-Kyung Kim February. 2018 Preview PDF XML The antibacterial effect of Pleurotus eryngii extracts on oral bacteria In-Young Chon·Eun-Ji Yu·Sang-Cheol Yu·Ji-Youn Lee·Sang-Hee Jung·Tae-Jin Oh1,2 February. 2018 Preview PDF XML A clinical experimental study on tooth whitening effectiveness in toothpaste of containing natural extracts Hyun-Seo Yoon·Hye-Jin Kim February. 2018 Preview PDF XML