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Ferreira N, Lopes C, Araujo D, Pereira J, Barros H.Ferreira N, et al. Among authors: barros h.Acta Med Port. 1995 Nov;8(11):599-605.Acta Med Port. 1995.PMID: 8713504Free article.Portuguese.
Bento MJ, Barros H.Bento MJ, et al. Among authors: barros h.Acta Med Port. 1997 Jan;10(1):39-45.Acta Med Port. 1997.PMID: 9245175Free article.Portuguese.
Tavares M, Barros H.Tavares M, et al. Among authors: barros h.Acta Med Port. 1997 May;10(5):351-6.Acta Med Port. 1997.PMID: 9312979Free article.Portuguese.
von Hafe P, Lopes C, Fernando PB, Ramos E, Andrade MJ, Coelho R, Maciel MJ, Barros H.von Hafe P, et al. Among authors: barros h.Rev Port Cardiol. 1997 Sep;16(9):695-702, 664.Rev Port Cardiol. 1997.PMID: 9409936Portuguese.