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Item Effect of repeated mass chemotherapy for filariasis control on soil-transmitted helminth infections in Sri Lanka(Sri Lanka Medical Association. Colombo, 2008) Gunawardena, N.K.; Amarasekera, N.D.D.A.; Pathmeswaran, A.; De Silva, N.R.Item Nutritional status and productivity of Sri Lankan tea pluckers(Sri Lanka Medical Association. Colombo, 2003) Selvaratnam, R.R.; De Silva, L.D.R.; Pathmeswaran, A.; De Silva, N.R.Item Effect of repeated mass chemotherapy for filariasis control on soil-transmitted helminth infections in Sri Lanka(Sri Lanka Medical Association:Colombo, 2008) Gunawardena, N.K.; Amarasekera, N.D.D.A.; Pathmeswaran, A.; De Silva, N.R.