Polit, Denise F. Investigación científica en ciencias de la salud Denise F. Polit, Bernadette P. Hungler. - 5ta. ed. - México McGraw-Hill Interamericana 1997. - xv, 701 p. ill. 25 cm. Translation of: Nursing research: principles and methods . ISBN: 970101152X Subjects--Topical Terms: Nursing--Research--Methodology. LC Class. No.: RT81.5 / .P6418 1997