by CHIAM, P. T. L, KOH, T. H, CHAO, V. T. T, LEE, C. Y, SEE THO, V. Y, TAN, S. Y, LIM, S. T, HWANG, N. C, SIN, Y. K, CHUA, Y. L
Published in Singapore medical journal (01.05.2009)

by CHAO, V. T. T, CHUA, Y. L, CHIAM, P. T. L, LEE, C. Y, SEE THO, V. Y, TAN, S. Y, SIN, Y. K, HWANG, N. C, LIM, S. T, KOH, T. H
Published in Singapore medical journal (2010)