Validating malignant melanoma ICD-9-CM codes in Umbria, ASL Napoli 3 Sud and Friuli Venezia Giulia administrative healthcare databases: a diagnostic accuracy study
Massimiliano Orso, Diego Serraino, Iosief Abraha, Mario Fusco, Gianni Giovannini, Paola Casucci, Francesco Cozzolino, Annalisa Granata, Michele Gobbato, Fabrizio Stracci, Valerio Ciullo, Maria Francesca Vitale, Paolo Eusebi, Walter Orlandi, Alessandro Montedori, Ettore Bidoli
BMJ Open Apr 2018, 8 (4) e020631; DOI: 10.1136/bmjopen-2017-020631