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[Clinical validation of 2 morbidity groups in the primary care setting].
Clèries M, Monterde D, Vela E, Guarga À, García Eroles L, Pérez Sust P; Grupo de validación. Clèries M, et al. Aten Primaria. 2020 Feb;52(2):96-103. doi: 10.1016/j.aprim.2018.09.016. Epub 2019 Feb 12. Aten Primaria. 2020. PMID: 30765102 Free PMC article. Spanish.