Apr-07
AUTHORS : Prof James D Lewis, Division of Gastroenterology, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, 423 Guardian Drive, 720 Blockley Hall, Philadelphia, PA 19104-6021, USA – Email: lewisjd@pennmedicine.upenn.edu – Profile: https://www.med.upenn.edu/apps/faculty/index.php/g275/p7697
JOURNAL : Pharmacoepidemiology and Drug Safety
REFERENCE: 16(4):393-401
DOI : 10.1002/pds.1335