Useful stuff when on call

• BNF.org (prescribing in the UK)
• Clinical Evidence
  
• The Merck Manual of Diagnosis and Therapy, an on-line textbook
• MGH coagulation laboratory handbook
• Yale - Cardiothoracic imaging
• Johns Hopkins ABX guide (antibiotics)
• Peripheral neuropathy
• BestBets
• INTOX
• eMedicine: best searched via Google ("site:emedicine.com")
• SearchMedica

General medicine

• BNF.org (prescribing in the UK)
• EMC (detailed drug info from manufacturers)
• The Merck Manual of Diagnosis and Therapy, an on-line textbook
• Resuscitation Council of the UK
• National Electronic Library for Health (UK NHS)
• Integrated Medical Curriculum (imc.gsm.com)
• Healthworks
• Martindale's Virtual Medical Centre
• MedicineNet
• MedWeb
• Online Health Topics
• The Multimedia Medical Reference Library
• University of Chicago primary care group
• Virtual Hospital, Iowa

Specialities

• DSM-IV-TR diagnostic criteria
• Cardiology: KU Medical Center / Clinical Medical Education / Cardiology. There's a 12-lead ECG library.
• Neurology: MedWeb: Neurology. University of Pittsburgh Neurosurgery. The University of North Carolina Division of Neurosurgery, with their on-line resident's handbook.
• Oncology: CancerNet  |  Oncolink
• Pathology: WebPath
• Pharmacology: Clinical Pharmacology (Drug Monograph Service)  and its parent site, GSM online products. University of Utah: NetPharmacology. DEA "Drugs of Abuse".
• Psychiatry: Internet Mental Health / Depression in Primary Care: Volume 1 / Medications associated with depression  |  NetHealth
• Radiology: Visible Human Project, Whole Brain Atlas
• Sleep medicine: SleepNet  | The Medical Center at Bowling Green  |  Stanford University Centre for Narcolepsy

Hospitals and medical schools

• Cambridge Clinical School
  • Clinical Pharmacology
  • University Department of Medicine
  • Neurology
• Addenbrooke's Hospital
• Harvard Medical Web
• The Royal Free Hospital School of Medicine
• The Royal College of Physicians of London

Research institutions; international medical centres

• Communicable Disease Surveillance Centre
• Genetics Library (Cambridge)
• The Endocrine Society
• UK MRC HGMP Resource Centre
• US Food & Drug Administration
• US National Center for Biotechnology Information
• US National Institutes of Health
• US National Library of Medicine
• World Health Organization

Journals

see Journals page

Pseudo-medical organisations / journals

• CyberDiet.com
• Dog Play: Animal Assisted Therapy
• Health Service Journal
• Nursing Standard

Medical informatics

• Expert systems in medicine
• The Read Codes, ICD-9 etc.: [about] [govt.] [CAMS Online] [Links relevant to clinical coding and audit consultancy] [Medical Matrix]

Medical companies

• ILO Systems (otoacoustic emission testing)

Organisations

• The World Health Organization
• The GMC
• The BMA
• The NHS
• The MPS
• The UK Academy of Medical Sciences

Jobs

• BMJ Classified