Kim S, Park J S, Oh S W, Kwon H, Yoon D H, Lee K, Lee C M
Seoul National University Bundang Hospital, Seong Nam, South Korea.
Seoul National University Hospital, Seoul, South Korea.
Public Health. 2014 Nov;128(11):1039-42. doi: 10.1016/j.puhe.2014.09.002. Epub 2014 Oct 31.