1. http://www.who.int/ipcs/poisons/centre/toxicovigilance/en/.
2. Trends of poisoning in Ahmedabad;Zariwala;J Indain Acad forensic Med,2009
3. Report on the changes in the trend of suicidal behavior in Cameron Highlands Malaysia;Sinniah;ASEAN J Psychiatry,2009
4. Trends in acute adult poisoning in a ten-year period in Turkey: factors affecting the hazardous outcome;Satar;Bratisl Lek listy,2009
5. Suicide and unintentional poisoning mortality trends in the United States, 1987–2006: two unrelated phenomena?;Rockett;BMC Public Health,2010