Dissanayake, Chandrasekara (5 August 2005). "Of Stones and Health: Medical Geology in Sri Lanka". Science. 309 (5736): 883–885. doi:10.1126/science.1115174. PMID16081722.
Bunnell, Joseph (March 2004). "Medical Geology: Emerging Discipline on the Ecosystem--Human Health Interface". EcoHealth. 1 (1): 15–18. doi:10.1007/s10393-004-0068-8. S2CID5881278.
Dissanayake, Chandrasekara (5 August 2005). "Of Stones and Health: Medical Geology in Sri Lanka". Science. 309 (5736): 883–885. doi:10.1126/science.1115174. PMID16081722.
Bunnell, Joseph (March 2004). "Medical Geology: Emerging Discipline on the Ecosystem--Human Health Interface". EcoHealth. 1 (1): 15–18. doi:10.1007/s10393-004-0068-8. S2CID5881278.