by LAM, S. K, CHUA, K. B, HOOI, P. S, RAHIMAH, M. A, KUMARI, S, THARMARATNAM, M, CHUAH, S. K, SMITH, D. W, SAMPSON, I. A
Published in Southeast Asian journal of tropical medicine and public health (01.09.2001)

by Anita, S, Zahir, W M, Sa'iah, A, Rahimah, M A, Sha'ari, B N
Published in Medical journal of Malaysia (01.08.2007)