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Item Umbilical cord blood lead levels(Sri Lanka Medical Association. Colombo, 2004) Senanayake, M.P.; Rodrigo, M.D.A.; Kudalugoda Arachchi, J.Item Blood lead levels of children before and after introduction of unleaded petrol(Elsevier. New Delhi, 2004) Senanayake, M.P.; Rodrigo, M.D.A.; Malkanthi, R.