2618394 EGMA epilepsy with grand mal on awakening 6 2618387 EGMA ethylene glycol methacrylate 4 2618388 EGMA ethylene-glycidyl methacrylate terpolymer 2 2618393 EGMA E. granulosus-soluble membrane antigens 1 2618392 EGMA endoscopic gastric mucosal atrophy 1 2618395 EGMA epilepsy with generalized grand mal on awakening 1 2618389 EGMA ester and glycidyl methacrylate 1 2618386 EGMA ethylene glycol methyl ether methacrylate 1 2618391 EGMA ethylene glycol mono methyl ether acetate 1 2618390 EGMA ethylene-methyl acrylate-glycidyl methacrylate 1