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Duncan BB, Schmidt MI.Duncan BB, et al. Among authors: schmidt mi.Rev Assoc Med Bras (1992). 1999 Jul-Sep;45(3):247-54. doi: 10.1590/s0104-42301999000300010.Rev Assoc Med Bras (1992). 1999.PMID: 10513057Portuguese.
Duncan BB, Schmidt MI, Polanczyk CA, Mengue SS.Duncan BB, et al. Among authors: schmidt mi.Rev Assoc Med Bras (1992). 1992 Jul-Sep;38(3):138-44.Rev Assoc Med Bras (1992). 1992.PMID: 1340363Portuguese.