TY - BOOK AU - Stommel, Manfred, AU - Wills,Celia E. TI - Clinical research: concepts and principles for advanced practice nurses SN - 0781735181 U1 - 616.0072 PY - 2004/// CY - Philadelphia PB - Lippincott Williams & Wilkins KW - Nursing KW - Research KW - Methodology KW - Clinical medicine N1 - Includes Index ER -