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Brachial Plexus Morphology and Vascular Supply in the Wistar Rat
Almeida, MA; Casal, D; Mafra, M; Mascarenhas-Lemos, L; Martins-Ferreira, J; Ferraz-Oliveira, M; Amarante, J; Goyri-O'Neill, JIntroduction: The rat is probably the animal species most widely used in experimental studies on nerve repair. The aim of this work was to contribute to a better understanding of the morphology and blood supply of the rat brachial plexus. Material and Methods: Thirty adult rats were studied regarding brachial plexus morphology and blood supply. Intravascular injection and dissection under an operating microsc...
Determination of Paris law constants with a reverse engineering technique
Branco, R.; Antunes, F. V.; Martins Ferreira, J. A.; Silva, J. M.Paris law constants are commonly obtained with a well established procedure based on standard specimens, notched and pre-cracked. Pre-cracking produces through cracks with stable shapes, nearly straight, similar during all propagation. However, in several situations specimens with corner and surface cracks are recommended. In these cases cracks having significant propagation will continuously modify their shape...
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