Devkota และผู้แต่งคนอื่นๆ. 1992. A hospital based case-control study on risk factors for lung cancer among Thai males. Faculty of Graduate Studies, Mahidol University;
Devkota และผู้แต่งคนอื่นๆ. (1992) A hospital based case-control study on risk factors for lung cancer among Thai males . Mahidol University/Bangkok.
Devkota และผู้แต่งคนอื่นๆ. A hospital based case-control study on risk factors for lung cancer among Thai males. . Bangkok:Mahidol University, 1992.
Devkota และผู้แต่งคนอื่นๆ. (1992) A hospital based case-control study on risk factors for lung cancer among Thai males . Mahidol University/Bangkok.