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Abd-El-Barr, Muhammad M.; Joseph, Jacob R.; Schultz, Rebecca; Edmonds, Joseph L.; Wilfong, Angus A.; Yoshor, Daniel (2010). "Vagus nerve stimulation for drop attacks in a pediatric population". Epilepsy & Behavior. 19 (3): 394–399. doi:10.1016/j.yebeh.2010.06.044. PMID20800554. S2CID13346234.
Abd-El-Barr, Muhammad M.; Joseph, Jacob R.; Schultz, Rebecca; Edmonds, Joseph L.; Wilfong, Angus A.; Yoshor, Daniel (2010). "Vagus nerve stimulation for drop attacks in a pediatric population". Epilepsy & Behavior. 19 (3): 394–399. doi:10.1016/j.yebeh.2010.06.044. PMID20800554. S2CID13346234.