Koh, David; Lim, Meng Kin; Chia, Sin Eng; Ko, Soo Meng; Qian, Feng; Ng, Vivian; Tan, Ban Hock; Wong, Kok Seng; Chew, Wuen Ming; Tang, Hui Kheng; Ng, Winston; Muttakin, Zainal; Emmanuel, Shanta; Fong, Ngan Phoon; Koh, Gerald; Kwa, Chong Teck; Tan, Keson Beng-Choon; Fones, Calvin
Medical Care. 43(7):676-682, July 2005.