www.saude.gov.br/rebrats - Brazilian Network for Health Technology Assessment (REBRATS)
www.htai.org - Health Technology Assessment International (HTAi)
www.anvisa.gov.br - Brazilian Health Surveillance Agency (ANVISA)
www.ans.gov.br - National Agency for Supplementary Health (ANS)
www.fiocruz.br - Oswaldo Cruz Foundation (FIOCRUZ)
www.paho.org - Pan American Health Organization (PAHO)