TY - BOOK AU - Stommel,Manfred AU - Wills,Celia E. TI - Clinical research: concepts and principles for advanced practice nurses SN - 0781735181 PY - 2004/// CY - Philadelphia PB - Lippincott Williams & Wilkins KW - Clinical Nursing Research KW - methods KW - Data Collection KW - Methods KW - Observation KW - Qualitative research KW - Reseacrh Design KW - Nursing Theory ER -