Link utili

MEDLINE through PubMed
http://www.ncbi.nlm.nih.gov/pubmed

Cochrane Library
http://www.thecochranelibrary.com

Declaration of Helsinki
http://jamanetwork.com/journals/jama/fullarticle/1760318

ISO 14155:2011, Clinical investigation of medical devices for human subjects – Good Clinical Practice
http://www.iso.org/iso/catalogue_detail?csnumber=45557

Good Clinical Practice and other ICH guidelines for clinical trials:
http://www.ich.org/products/guidelines/efficacy/efficacy-single/article/good-clinical-practice.html
http://www.ich.org/fileadmin/Public_Web_Site/ICH_Products/Guidelines/Efficacy/E6/E6_R1_Guideline.pdf) 

Centre for Evidence-Based Medicine, Oxford, UK
www.cebm.net

The Equator-network resource center for improved reporting of health research studies
http://www.equator-network.org/

The PRISMA statement, i.e. Preferred Reporting Items for Systematic Reviews and Meta-Analyses, is a minimum set of items for reporting systematic reviews and meta-analyses
http://www.prisma-statement.org/

The CONSORT statement, i.e. Consolidated Standards of Reporting Trials, is a minimum set of recommendations for reporting randomized trials
http://www.consort-statement.org/

The STROBE statement, i.e. Strengthening the Reporting of Observational studies in Epidemiology, is a checklist of items that should be included in articles reporting observational studies
http://www.strobe-statement.org/