Color Atlas of Medical Diseases (2)

eCureMe, Los Angeles, USA, last update 2006

Endocrinology 3 (2)

The Cleveland Clinic, Lyndhurst, USA

Endocrinology (2)

Journal - British Medical Journal, London, UK

Endocrinology (2)2

Textbook, S. S. Nussey, S. A. Whitehead, Bios Scientific Publishers, 2001   

European Eating Disorders Review (2)

Journal, John Wiley & Sons, Inc., Hoboken, USA 

Family Practice Handbook (2)

M.A.Graber, University of Iowa, Iowa City, USA, 2001

Gastroenterology Articles (2)

Emedicine.medscape  WebMD LLC, New York, USA

Health Symptoms A to Z (2)

Healthline Media, San Francisco, USA

International Textbook of Obesity (2)

Book, John Wiley & Sons, Inc., Hoboken, USA, free summaries, paid full-text chapters

Lab Tests Online (2)

Lab Test Online, American Association for Clinical Chemistry, Washington, USA

Mayo Clinic Medical Laboratories (2)

Mayo Clinic, Rochester, MN, USA

ECG Library (4)

Edward Burns

National Cholesterol Education Program (2)

National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, USA

Normal and abnormal heart sounds (2)

Frontiers in Bioscience (original), Faculty of Medicine, Charles University, Prague, Czech Republic

Research into Ageing (2)

Age International, London, UK

Stress and Health (2)

Journal, John Wiley & Sons, Inc., Hoboken, USA, free abstracts, paid full-text articles

The Dartmouth Atlas of Health Care (2)

The Trustees of Dartmouth College, Lebanon, NH, USA