Assessing the Quality of Randomised Controlled Trials
   A report from the National Co-ordinating Centre for Health Technology Assessment in the United Kingdom, covering acute care, diagnostics, imaging and population screening.
   http://www.ncchta.org/fullmono/mon312.pdf

Catalan Agency for Health Technology Assessment and Research
   Promoting the application of scientific principles to the study of health care services. Includes technology assessment reports and technical notes to download. [English, Spanish and Catalan]
   http://www.aatrm.net/

National Information Center
   Organization and publication of research into health services and health care technology, with a searchable database of practice guidelines and technology assessments. Part of the United States National Library of Medicine.
   http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=hstat

Swedish Council on Technology Assessment in Health Care
   An independent public authority for the critical evaluation of methods used to prevent, diagnose, and treat health problems. Reports are available on the benefits, risks, and costs associated with different interventions. [English and Swedish]
   http://www.sbu.se/