title: Phase III and IV clinical trials: what you and your patients need to know.
authors.affiliation: Evidence-Based Practice, Outcomes & Research, Adventist HealthCare, Rockville, MD, USA.
authors.forename: Linda H
authors.initials: LH
authors.lastname: Yoder
mesh_terms: D017326:Clinical Trials, Phase III as Topic / Q000451:nursing*; D017327:Clinical Trials, Phase IV as Topic / Q000451:nursing*; D006801:Humans; D024802:Nurse's Role; D010353:Patient Education as Topic