1.
User's Guide to the Medical Literature Essentials of Evidence-Based Clinical Practice
by Guyatt, Gordon, Rennie, Dru...
ISBN: 9781579471910
List Price: $34.95
2.
Users' Guides to the Medical Literature A Manual for Evidence-Based Clinical Practice
by Guyatt, Gordon, Rennie, Dru...
ISBN: 9781579471743
List Price: $59.95