[Research designs].
Hochman B, Nahas FX, Oliveira Filho RS, Ferreira LM.
Hochman B, et al. Among authors: ferreira lm.
Acta Cir Bras. 2005;20 Suppl 2:2-9. doi: 10.1590/s0102-86502005000800002. Epub 2005 Nov 4.
Acta Cir Bras. 2005.
PMID: 16283019
Free article.
Review.
Portuguese.