Journal of the Medical Association of Thailand Vol 84, No 10:OCTOBER 2001 0125-2208 84 10 2001 Oct Comparison of the Resistance Ratio and Proportion Methods for Antimicrobial Susceptibility Testing of Mycobacterium tuberculosis 1467 EN Unchalee Tansuphasiri Sirimart Subpaiboon Somsak Rienthong Original Article