ALTEX article Alternatives to Animal Experimentation in Basic Research (2004): http://www.altex.ch/resources/gruberhartung_suppl_2004.pdf
AltTox Toxicity Testing Resource Center: http://alttox.org/ttrc/
AltWeb Search for Alternatives: http://altweb.jhsph.edu/resources/searchalt/index.html
Canadian Council on Animal Care (CCAC) 3Rs Search Guide: http://searchguide.ccac.ca/
CCAC Alternative Test Methods Table: Validation & Regulatory Status: http://www.ccac.ca/en/alternatives/ATM-table-MRE/intro.html
Critical Reviews in Toxicology article by Creton, et al. (2010) explains opportunities to waive requirements for acute toxicity testing of chemicals or using alternative approaches. Available at: http://www.nc3rs.org.uk/news.asp?id=1252
DB-ALM ECVAM Database Service on Alternative Methods to Animal Experimentation: http://ecvam-dbalm.jrc.ec.europa.eu
Defra (UK Department for Environment, Food and Rural Affairs) updated guidance for minimizing animal testing for REACH: http://www.defra.gov.uk/environment/quality/chemicals/reach/documents/reach-animal-testing-article.pdf
European Centre for the Validation of Alternative Methods (ECVAM): http://ecvam.jrc.ec.europa.eu/index.htm
Fund for the Replacement of Animals in Medical Experiments (FRAME). A Guide to Searching for Alternatives to the Use of Laboratory Animals: http://www.frame.org.uk/page.php?pg_id=139
Go3R semantic search to avoid animal experiments: http://www.go3r.org/
Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM): http://iccvam.niehs.nih.gov
INVITTOX list of protocols for in vitro techniques: see DB-ALM ECVAM Database for current list of protocols
Japanese Center for the Validation of Alternative Methods (JaCVAM): http://jacvam.jp/en/index.html
National Institutes of Health. Searching for Alternatives to Painful Procedures Used on Research Animals: http://nihlibrary.ors.nih.gov/training/AlternativesSearchTipSheet5-24-04.pdf
National Library of Medicine (NLM), ALTBIB and PubMed. Bibliography on Alternatives to the Use of Live Vertebrates in Biomedical Research and Testing: http://toxnet.nlm.nih.gov/altbib.html
NLM TOXNET databases: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?index.html
NC3Rs Information Portal: http://www.nc3rs.org.uk/landing.asp?id=38
Organisation for Economic Co-operation and Development (OECD) Guidance & Review Documents: http://www.oecd.org/document/30/0,2340,en_2649_34365_1916638_1_1_1_1,00.html
OECD Series on Testing and Assessment / Adopted Guidance and Review Documents: http://www.oecd.org/document/30/0,3343,en_2649_34377_1916638_1_1_1_1,00.html
OECD Draft Test Guidelines: http://www.oecd.org/document/55/0,3343,en_2649_34373_2349687_1_1_1_1,00.html
TSAR: Tracking System for Alternative test methods Review, Validation and Approval in the Context of EU Regulations on Chemicals: http://tsar.jrc.ec.europa.eu/
UCDavis Center for Animal Alternatives Information, Literature Search for Alternatives Worksheet: http://www.lib.ucdavis.edu/dept/animalalternatives/worksheet.php
UK Health and Safety Executive (HSE) and UK REACH Competent Authority guidance on strategies for reducing animal testing for REACH: http://www.hse.gov.uk/reach/resources/18animaltesting.pdf
USDA Animal Welfare Information Center Bulletin (AWIC) Bulletin, Vol. 13, No. 3, Summer 2008. The Use of Databases, Information Centers and Guidelines When Planning Research That May Involve Animals. Available at: http://www.nal.usda.gov/awic/newsletters/v13n3/AWICBulletinV13N3.pdf
USDA AWIC Bulletin, Vol. 12, No. 3-4, Summer 2006. Searching Bibliographic Databases for Alternatives. Available at: http://www.nal.usda.gov/awic/newsletters/v12n3/V12N34final2.pdf
ZEBET(Centre for Documentation and Evaluation of Alternative Methods to Animal Experiments, Germany). AnimAlt-ZEBET database: https://gripsdb.dimdi.de/websearch/servlet/Gate?accessid=bfrAnimaltBasicEn#__DEFANCHOR