Efficacy of Zonisamide – Levetiracetam Comedication in Nine Adult Patients with Difficult to Treat Epilepsy and Intellectual Disability (A Case Series Report) Journal title: Macedonian Journal of Medical Sciences (MJMS) Authors: Peter Martin | Séguin Clinic for Persons with Severe Intellectual Disability, Epilepsy Centre Kork,... Subject(s): Epidemiology, Physiology