Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài:Finding toxicological information: An approach for occupational health professionals | Journal of Occupational Medicine and Toxicology BioMed Central Research Finding toxicological information An approach for occupational health professionals Irja Laamanen 1 Jos Verbeek2 3 Giuliano Franco4 Marika Lehtola3 and Marita Luotamo1 Open Access Address Finnish Institute of Occupational Health Topeliuksenkatu 41 a A 00250 Helsinki Finland 2Finnish Institute of Occupational Health Kuopio Finland 3Kuopio University Kuopio Finland and 4Universita di Modena e Reggio Emilia Modena Italy Email Irja Laamanen - Jos Verbeek - Giuliano Franco - franco@ Marika Lehtola - Marita Luotamo - Corresponding author Published 13 August 2008 Received 29 January 2008 Journal of Occupational Medicine and Toxicology 2008 3 18 doi l745-6673-3-l8 Accepted 13 August 2008 This article is available from http content 3 l l8 2008 Laamanen et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background It can be difficult for occupational health professionals to assess which toxicological databases available on the Internet are the most useful for answering their questions. Therefore we evaluated toxicological databases for their ability to answer practical questions about exposure and prevention. We also propose recommended practices for searching for toxicological properties of chemicals. Methods We used a systematic search to find databases available on the Internet. Our criteria for the databases were the following has a search engine includes factual information on toxic and hazardous chemicals harmful for human health and is free of charge. We developed both a qualitative and a quantitative rating method which was .