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Gumà J, Solé-Auró A, Arpino B.Gumà J, et al. Among authors: arpino b.BMC Public Health. 2019 Jun 6;19(1):699. doi: 10.1186/s12889-019-7054-0.BMC Public Health. 2019.PMID: 31170953Free PMC article.
Balbo N, Arpino B.Balbo N, et al. Among authors: arpino b.Demography. 2016 Aug;53(4):955-78. doi: 10.1007/s13524-016-0480-z.Demography. 2016.PMID: 27306764