E-books

• Harrison's online (Harrion's principles of internal medicine)

Printed books

• Applied therapeutics: the clinical use of drugs 

• Cecil medicine

• Pharmacotherapy: a pathophysiologic approach

• Textbook of therapeutics: drug and disease management
• Merck manual of diagnosis and therapy

Databases 

• EMBASE 
• PubMed 

Internet Resources

• Farmacotherapeutisch kompas
• Orange Book : Approved Drug Products with Therapeutic Equivalence Evaluations