Olfactory ensheathing cells seeded muscle-stuffed vein as nerve conduit for peripheral nerve repair: a nerve conduction study by Lokanathan, Yogeswaran, Ng, Min Hwei, Hasan, Shariful, Ali, Anuar, Mahmod, Mazzre, Htwe, Ohnmar, Syed Waseem Ahmad, Sharifah Roohi, Idrus, Ruszymah, Abdullah, Shalimar, Naicker, Amaramalar Selvi