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Cunha M, Xavier P, Matias JT, Moucho M, Montenegro N.Cunha M, et al. Among authors: xavier p.Acta Med Port. 2002 Sep-Oct;15(5):345-50.Acta Med Port. 2002.PMID: 12645218Free article.Portuguese.
Vale-Fernandes E, Póvoa AM, Soares S, Calejo L, Xavier P, Sousa S, Beires J, Montenegro N.Vale-Fernandes E, et al. Among authors: xavier p.Acta Med Port. 2016 Jan;29(1):73-8. doi: 10.20344/amp.6349. Epub 2016 Jan 29.Acta Med Port. 2016.PMID: 26926902Free article.Review.Portuguese.
Xavier P, Matias A, Silva JT, Montenegro N, Areias JC.Xavier P, et al.Rev Port Cardiol. 2000 Feb;19(2):203-12.Rev Port Cardiol. 2000.PMID: 10763349English, Portuguese.
Póvoa A, Xavier P, Matias A, Blickstein I.Póvoa A, et al. Among authors: xavier p.J Perinat Med. 2018 Oct 25;46(8):853-856. doi: 10.1515/jpm-2017-0132.J Perinat Med. 2018.PMID: 28753549Free article.
Póvoa A, Severo M, Xavier P, Matias A, Blickstein I.Póvoa A, et al. Among authors: xavier p.J Matern Fetal Neonatal Med. 2018 Feb;31(4):453-456. doi: 10.1080/14767058.2017.1287896. Epub 2017 Feb 21.J Matern Fetal Neonatal Med. 2018.PMID: 28139950