DynaMED (Calculator link in blue nav bar)
MedCalc3000
 

DXplain*
Diagnosaurus*
Diagnostic Tests
DeGowan's Diagnostic Exam
DSM-IV Differential Diagnosis
Delmar's Guide to Lab Tests
VisualDx*

 *decision support software

Clinical Evidence
Cochrane Systematic Reviews
DynaMED***
MD Consult
AHRQ Evidence-based Practice
Evidence Subject Guide
Natural Standard (supplements)

OVID Medline
PubMED
CINAHLPlus (nursing/allied health)
PsycINFO
AidsInfo
HealthBusiness
OSTMED.DR

MD Consult Practice Guidelines
National Guideline Clearinghouse
Current Practice Guidelines in
 Primary Care

Cancer Trials (NCI)
Center Watch Clinical Trials
Clinical Trials.gov
NCCAM Clinical Trials
NIMH Clinical Trials

MD Consult Patient Handouts
MedlinePlus
MicroMedex CareNotes ***
NIH Senior Health Videos
LabTestsOnline

MicroMedex RESTRICTIONS: For academic use only; not for clinical or commercial use at medical (clinic, hospital) or commercial (pharmacy, pharma) facilities. PCOM users are permitted to download summarized content to their PDA for use in clinical or commercial settings. However, while in a medical facility, they must forego access if there is no current subscription. 

Stedman’s Dictionary
Access Medicine
Access Pediatrics
Access Surgery
5 Minute Clinical Consult
Clinician's Pocket Reference
Current Diagnosis & Treatment in Family Med
Current Medical Diagnosis & Treatment
Fitzpatrick Dermatology 
Greenfield’s Surgery
Harrison’s Internal Medicine
Infectious Diseases: Clinician's Guide
Merck Manual of Diagnosis & Therapy
Rudolph’s Pediatrics
Smith's Urology
Stein’s Internal Medicine