Michael P . T . Lunn , Kazim A . Sheikh . Peripheral Neuropathy , The Autoimmune Diseases , 4th ed . 2006 , 633-651 .Gerald M , Fenichel MD . Flaccid Limb Weakness in Childhood , Clinical Pediatric Neurology , 6th ed . 2009 , 177-203 .Susumu Kusunoki , Ke ......