TY - JOUR T1 - Electrophysiological study in synaptic congenital myasthenic syndrome: end-plate acetylcholinesterase deficiency JO - Arquivos de Neuro-Psiquiatria A1 - Lorenzoni, Paulo José A1 - Scola, Rosana Herminia A1 - Gervini, Bianca Lamas A1 - Kay, Cláudia Suemi Kamoi A1 - Werneck, Lineu César SN - 0004-282X UL - 10.1590/S0004-282X2009000300024 VL - 67 Y1 - 2009 PB - Brasil ER -