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Item An evaluation of the numerical criterion for "positive" with skin test using mycobacterium leprae antigens(National Sceince Council:Colombo, 1990) Pinto, M.R.M.; Eriyagama, N.B.; Sivarajasingham, S.; Ekanayake, E.M.; Gamage, T.M.Item An evaluation of the usefulness of different diameters of skin reactions elicited by Mycobacterium leprae antigens(Sri Lanka Medical Association. Colombo, 1989) Pinto, M.R.M.; Eriyagama, N.B.; Gamage, T.M.; Sivarajasingham, S.The advantages of the transverse, vertical and mean diameters for the measurement of skin reactions with M. leprae antigents were evaluated. iT was decided that the vertical and mean diameters offered no improvement over the transverse diameter and hence the use of the latter is recommended.