Nursing Reference Center Plus
Provides background information about medical conditions and diseases, as well as medical procedures and skills. Contains full profiles of prescription and non-prescription drugs. Includes access to standard nursing reference sources, such as Taber's Cyclopedic Medical Dictionary, and Davis's Drug Guide for Nurses.
Merck Manual - Professional Edition
Provides detailed overviews of health conditions, drugs, and medical procedures. Intended for a broad range of health sciences students and professionals.