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Adaptation of the Charlson Comorbidity Index for Register-Based Research in Sweden.
Ludvigsson JF, Appelros P, Askling J, Byberg L, Carrero JJ, Ekström AM, Ekström M, Smedby KE, Hagström H, James S, Järvholm B, Michaelsson K, Pedersen NL, Sundelin H, Sundquist K, Sundström J. Ludvigsson JF, et al. Clin Epidemiol. 2021 Jan 12;13:21-41. doi: 10.2147/CLEP.S282475. eCollection 2021. Clin Epidemiol. 2021. PMID: 33469380 Free PMC article.
Risk of hip fracture in Addison's disease: a population-based cohort study.
Björnsdottir S, Sääf M, Bensing S, Kämpe O, Michaëlsson K, Ludvigsson JF. Björnsdottir S, et al. Among authors: ludvigsson jf. J Intern Med. 2011 Aug;270(2):187-95. doi: 10.1111/j.1365-2796.2011.02352.x. Epub 2011 Mar 1. J Intern Med. 2011. PMID: 21251095 Free article.
671 results