Greenhalgh, Trisha How to read a paper : the basics of evidence based medicine / Trisha Greenhalgh - 2nd ed. - London : BMJ Publishing Group, 2001 - xviii , 222 p. ; 22 cm. Includes index ISBN: 0727915789 RM97.12 Subjects--Topical Terms: ResearchClinical medicineReading National Library of Medicine Call No.: W20.5