Townsend, Mary C. Essentials of psychiatric mental health nursing : concepts of care in evidence-based practice / Mary C. Townsend. - 4th ed. - Philadelphia : F. A. Davis, 2008. - xxiv, 729 p : ill. Includes bibliographical references and index. ISBN: 9780803618985 Subjects--Topical Terms: Mental disorders--Nursing.Psychiatric nursing--Methods.