Combined polyglycolic acid tube and autografting versus autografting or polyglycolic acid tube alone. A comparative study of peripheral nerve regeneration in rats - Costa, Márcio Paulino; Teixeira, Nuberto Hopfgartner; Longo, Marco Vinicius Losso; Gemperli, Rolf; Costa, Heloisa Juliana Zabeu Rossi (Acta cirúrgica brasileira, 2015)