List of questions that you should ask before you agree to participate in a research study:
http://www.hhs.gov/ohrp/outreach/questions.html

"Becoming a Research Volunteer: It's your decision" document prepared by the Office of Human Research Protection of the US Department of Health and Human Services:
http://www.hhs.gov/ohrp/outreach/documents/3panelfinal.pdf

Groupe consultatif interagences en éthique de la recherche:
http://www.pre.ethics.gc.ca/francais/index.cfm

Health Canada Inspectorate:
http://www.hc-sc.gc.ca/dhp-mps/compli-conform/index_e.html

Interagency Panel on Research Ethics:
http://www.pre.ethics.gc.ca/

National Council on Ethics in Human Research (NCEHR):
http://www.ncehr-cnerh.org/english/home.php

Alliance for Human Research Protection (AHRP):
http://www.ahrp.org/

Centerwatch:
http://www.centerwatch.com/patient/backgrnd.html

Association for the Accreditation of Human Research Protection Programs, Inc. (AAHRPP)
http://www.aahrpp.org/www.aspx

Ministère de la Santé et des Services Sociaux (MSSS):
http://ethique.msss.gouv.qc.ca/site/accueil.phtml

"Education before participation" brochure prepared by the Center for Information & Study on Clinical Research Participation (CISCRP)
http://ciscrp.org/e-store/brochures/english_canadian.pdf