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. An epidemiological study on Mycobacterium leprae infection and prevalence of leprosy in endemic villages by molecular biological technique. Indian journal of leprosy. 1999;71(1):37-43.
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. Increased levels of nitric oxide metabolites in urine from leprosy patients in reversal reaction. Leprosy review [Internet]. 1999;70(1):52-5. Available from: http://leprev.ilsl.br/pdfs/1999/v70n1/pdf/v70n1a11.pdf
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. IgG response to some mycobacterial antigens in selected leprosy patients. The Southeast Asian journal of tropical medicine and public health [Internet]. 1998;29(3):567-71. Available from: http://www.tm.mahidol.ac.th/seameo/1998-29-3/1998-29-3-567.pdf
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. Reactional states in multibacillary Hansen disease patients during multidrug therapy. Revista do Instituto de Medicina Tropical de Sao Paulo [Internet]. 1998;40(6):363-70. Available from: http://www.scielo.br/scielo.php?pid=S0036-46651998000600005&script=sci_arttext
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. Serum neopterin as a marker for reactional states in leprosy. FEMS immunology and medical microbiology [Internet]. 1999;24(4):405-9. Available from: http://onlinelibrary.wiley.com/doi/10.1111/j.1574-695X.1999.tb01312.x/epdf
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. [Leprosy simulating other diseases]. Revista clinica espanola. 1999;199(6):369-72.
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. Impact of leprosy on the quality of life. Bulletin of the World Health Organization [Internet]. 1999;77(6):515-7. Available from: http://www.who.int/bulletin/archives/77(6)515.pdf
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. No effect of anti-leprosy drugs in the prevention of Alzheimer's disease and beta-amyloid neurotoxicity. Journal of the neurological sciences. 1999;165(1):28-30.
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. HIV in leprosy patients. Tropical doctor. 1999;29(2):126-7.