W. Techasathit, W. Ratanasuwan, A. Sonjai, N. Chuengprasert, V. Chuenarom, and S. Suwanagool, “Occupational Exposure to HIV among Healthcare Workers: Experience at Siriraj Hospital”, Siriraj Med J, vol. 54, no. 5, pp. 279–287, May 2002.