{Reference Type}: Case Reports {Title}: Electrophysiological study in synaptic congenital myasthenic syndrome: end-plate acetylcholinesterase deficiency. {Author}: Lorenzoni PJ;Scola RH;Gervini BL;Kay CS;Werneck LC; {Journal}: Arq Neuropsiquiatr {Volume}: 67 {Issue}: 2 {Year}: Jun 2009 {Factor}: 2.035 {DOI}: 10.1590/s0004-282x2009000300024 {Abstract}: