Accuracy of International Classification of Diseases, 9th Revision, Clinical Modification codes for upper gastrointestinal complications varied by position and age: a validation study in a cohort of nonsteroidal anti-inflammatory drugs users in Friuli Venezia Giulia, ItalyIn: PHARMACOEPIDEMIOLOGY AND DRUG SAFETY. - ISSN 1099-1557. - 22:11(2013), pp. 1195-1204. [10.1002/pds.3504]
Accuracy of International Classification of Diseases, 9th Revision, Clinical Modification codes for upper gastrointestinal complications varied by position and age: a validation study in a cohort of nonsteroidal anti-inflammatory drugs users in Friuli Venezia Giulia, Italy
PISA, Federica Edith;GIANGRECO, Manuela;ROSOLEN, Valentina;BARBONE, Fabio
2013-01-01
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