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Nahas SC, Sobrado Júnior CW, Araujo SE, Imperiale AR, Habr-Gama A, Pinotti HW.Nahas SC, et al. Among authors: imperiale ar.Rev Hosp Clin Fac Med Sao Paulo. 1997 Jul-Aug;52(4):175-9.Rev Hosp Clin Fac Med Sao Paulo. 1997.PMID: 9567367Portuguese.
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