Stommel, Manfred . Clinical research : concepts and principles for advanced practice nurses / Stommel Manfred , Celia E. Wills . - USA : Lippincott Williams & Wilkins , c2004 . - xvi, 462 p. : colored illustrations ; 23 cm. Includes appendix, glossary, and index . ISBN: 0781735181 Subjects--Topical Terms: Nursing care.Nursing--Research--Methodology. Dewey Class. No.: CIR 616 St876 2004