Drug Information

Medline Plus, US National Library of Medicine, Bethesda, USA

Drug Information Online

 Drugs.com, Auckland, New Zealand

Medical Algorithms

The Medical Algorithms Company Limited, London, UK, free registration needed

Medical Images and Illustrations

Diosphere Ltd t/a Medical Images, Wilmington, USA

American Heart Association

Dallas, Texas, USA

Resuscitation

Journal, British Medical Journal Publishing Group, London, UK

ECG Wave-Maven

Nathanson LA, McClennen S, Safran C, Goldberger AL, Harvard University, Boston, USA

Medicína po promoci

Journal, MEDICAL TRIBUNE CZ, s.r.o., Prague, Czech Republic, in Czech

EKG World Encyclopedia

McGill University

Medicine Online

Journal, Priory Lodge Education Ltd., Devon, UK

Antimicrobial Agents and Chemotherapy

Journal, American Society for Microbiology, Washington, USA

Emergency Preparedness and Response

Centers for Disease Control and Prevention, Atlanta, USA

Merck Manual

textbook,  Merck Sharp & Dohme Corp., Kenilworth, NJ, USA

Endocrinology

Journal, Oxford University Press, Oxford, UK

Stethographics

R.L.H. Murphy, Tufts University School of Medicine, Boston

Family Medical Practice Online

Journal, Priory Lodge Education Ltd., Devon, UK

NIH Clinical Alerts and Advisories

NLM, NIH Bethesda, MD, USA

Family Practice

Journal, OUP, Oxford, UK

Nutritional and Metabolic Diseases

Washington University in St. Louis, Missouri, USA

British Association for Immediate Care

British Association for Immediate Care, Ipswich, UK