Los puntos clave no están disponibles para este artículo en este momento.
Editor's note: This article is one in a series on clinical research by nurses. The series is designed to give nurses the knowledge and skills they need to participate in research, step by step. Each column will present the concepts that underpin evidence-based practice-from research design to data interpretation. The articles will be accompanied by a podcast offering more insight and context from the author. To see all the articles in the series, go to http://links.lww.com/AJN/A204.
Bernadette Capili (Thu,) studied this question.