Ko Sm

Spirit possession and healing among Chinese psychiatric patients

E. Kua, P. H. Chew, S. Ko, 1993, Acta psychiatrica Scandinavica.

Differential item functioning of the Geriatric Depression Scale in an Asian population.

T. Ng, M. Niti, C. Fones, 2008, Journal of Affective Disorders.

A questionnaire to screen for cognitive impairment among elderly people in developing countries

E. Kua, S. Ko, Ko Sm, 1992, Acta psychiatrica Scandinavica.