Media type: E-Article Title: Characteristics and external validity of the German Health Risk Institute (HRI) Database : German Health Risk Institute (HRI) Database Contributor: Andersohn, Frank; Walker, Jochen Published: Wiley, 2016 Published in: Pharmacoepidemiology and Drug Safety, 25 (2016) 1, Seite 106-109 Language: English DOI: 10.1002/pds.3895 ISSN: 1053-8569 Origination: Footnote: