Authors: Lian, WM Chan, R Wee, S

Citation: Wm. Lian et al., Sex workers' perspectives on condom use for oral sex with clients: A qualitative study, HEAL EDUC B, 27(4), 2000, pp. 502-516

Authors: Lian, WM Gan, GL Pin, CH Wee, S Ye, HC

Citation: Wm. Lian et al., Correlates of leisure-time physical activity in an elderly population in Singapore, AM J PUB HE, 89(10), 1999, pp. 1578-1580