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Christo PP.Christo PP.Rev Assoc Med Bras (1992). 2010 Mar-Apr;56(2):242-7. doi: 10.1590/s0104-42302010000200027.Rev Assoc Med Bras (1992). 2010.PMID: 20499003Free article.Review.Portuguese.
Albuquerque LA, Souza RB, Christo PP.Albuquerque LA, et al. Among authors: christo pp.Rev Assoc Med Bras (1992). 2011 Sep-Oct;57(5):498.Rev Assoc Med Bras (1992). 2011.PMID: 22012280Free article.No abstract available.