Hakim S L, Furuta T, Rain A N, Normaznah Y, Zamri M R, Kojima S, Mak J W
Biotechnology Centre, Institute for Medical Research, Jalan Pahang, Kuala Lumpur, Malaysia.
Trans R Soc Trop Med Hyg. 1995 May-Jun;89(3):271-2. doi: 10.1016/0035-9203(95)90535-9.