1. Problem of Synkinesis and Contracture in Cases of Hemifacial Spasm and Bell's Palsy;Williams;Ann. Otol., Rhinol. and Laryngol.,1952
2. Bell , Charles 15
3. Cited by Duel, A. B.: History and Development of the Surgical Treatment of Facial Palsy;Bell;Surg., Gynec. and Obst.,1933
4. Drobnik 12
5. Ballance , C. 12