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Thein MM, Goh LG, Phua KH.Thein MM, et al. Among authors: phua kh.Asia Pac J Public Health. 1988;2(3):203-10. doi: 10.1177/101053958800200313.Asia Pac J Public Health. 1988.PMID: 3052542No abstract available.
Phua KH, Goh LG, Koh K, Ong CN, Tan TC, Wong ML, Lee HP.Phua KH, et al.Lancet. 1990 Jun 16;335(8703):1471-2. doi: 10.1016/0140-6736(90)91507-7.Lancet. 1990.PMID: 1972249No abstract available.