Developing and validating a novel multisource comorbidity score from administrative data: a large population-based cohort study from Italy
Giovanni Corrao, Federico Rea, Mirko Di Martino, Rossana De Palma, Salvatore Scondotto, Danilo Fusco, Adele Lallo, Laura Maria Beatrice Belotti, Mauro Ferrante, Sebastiano Pollina Addario, Luca Merlino, Giuseppe Mancia, Flavia Carle
BMJ Open Dec 2017, 7 (12) e019503; DOI: 10.1136/bmjopen-2017-019503