M.F. McKneally & Bucknam McPeek 
Surgical Research [PDF ebook] 
Basic Principles and Clinical Practice

Surgical Research: Basic Principles and Clinical Practice, Third Edition is an excellent source book for the young surgical investigator as well as the senior investigator in surgery. It is divided into nine sections: The Surgeon as Investigator, Reading and Writing, Speaking and Listening, Design and Methods, Funding, Implementation, Analyzing Outcomes, Ethical Issues and Perspectives. The Third Edition has been updated and added to with 43 new chapters. This book is of special interest to those surgeons interested in doing research. However, it also has many very interesting chapters that would help all surgeons in approaching their practice in a more scientific way. With many of the foremost surgical investigators contributing, this book is an excellent collection of chapters covering the entire gamut of surgical research.