Engel classification (English Wikipedia)

Massachusetts General Hospital. "Engel Epilepsy Surgery Outcome Scale". Massachusetts General Hospital. Archived from the original on 7 April 2014. Retrieved 31 March 2014.

medscape.com (Global: 719^th place; English: 636^th place)

Passaro, Erasmo A. "Outcome of Epilepsy Surgery". Medscape. Retrieved 31 March 2014.

Tonini C, Beghi E, Berg AT, Bogliun G, Giordano L, Newton RW, Tetto A, Vitelli E, Vitezic D, Wiebe S (2004). "Predictors of epilepsy surgery outcome: a meta-analysis". Epilepsy Research. 62 (1): 75–87. doi:10.1016/j.eplepsyres.2004.08.006. PMID 15519134. S2CID 40141302.
Durnford, Andrew J.; William Rodgers; Fenella J. Kirkham; et al. (December 2011). "Very good inter-rater reliability of Engel and ILAE epilepsy surgery outcome classifications in a series of 76 patients". Seizure. 20 (10): 809–812. doi:10.1016/j.seizure.2011.08.004. PMID 21920780.

Tonini C, Beghi E, Berg AT, Bogliun G, Giordano L, Newton RW, Tetto A, Vitelli E, Vitezic D, Wiebe S (2004). "Predictors of epilepsy surgery outcome: a meta-analysis". Epilepsy Research. 62 (1): 75–87. doi:10.1016/j.eplepsyres.2004.08.006. PMID 15519134. S2CID 40141302.

Massachusetts General Hospital. "Engel Epilepsy Surgery Outcome Scale". Massachusetts General Hospital. Archived from the original on 7 April 2014. Retrieved 31 March 2014.
Yan, Chaohua; James Valeriano; Kevin Kelly; Carol Lane; Jack Wilberger (2009). "Comparison of 2 Classifications of Postoperative Seizure Outcome, Engel vs ILAE Classification, Following Epilepsy Surgery in Adults with Medically Refractory Epilepsy". Johns Hopkins University School of Medicine. Archived from the original on 7 April 2014. Retrieved 3 April 2014.