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Validity of cerebrovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project.
PLoS One. 2020 Jan 9;15(1):e0227653. doi: 10.1371/journal.pone.0227653. eCollection 2020.
PLoS One. 2020.
PMID: 31918434
Free PMC article.
A diagnostic accuracy study validating cardiovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project.
Cozzolino F, Montedori A, Abraha I, Eusebi P, Grisci C, Heymann AJ, Lombardo G, Mengoni A, Orso M, Ambrosio G.
Cozzolino F, et al. Among authors: heymann aj.
PLoS One. 2019 Jul 8;14(7):e0218919. doi: 10.1371/journal.pone.0218919. eCollection 2019.
PLoS One. 2019.
PMID: 31283787
Free PMC article.
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Accuracy of ICD-9 codes in identifying patients with peptic ulcer and gastrointestinal hemorrhage in the regional healthcare administrative database of Umbria.
Orso M, Abraha I, Mengoni A, Taborchi F, De Giorgi M, Franchini D, Eusebi P, Heymann AJ, Montedori A, Ambrosio G, Cozzolino F.
Orso M, et al. Among authors: heymann aj.
PLoS One. 2020 Jul 6;15(7):e0235714. doi: 10.1371/journal.pone.0235714. eCollection 2020.
PLoS One. 2020.
PMID: 32628718
Free PMC article.
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