Biography References 1922 – 1929Work in Cairo (21, Sharia El Mousky) EditListe Officielles des Médécins Egyptiens, 1922, p. 98Repertoire Medical Egyptien Authorizations References 1920Certificate: Dentist practitioner, Authorized by Ministry of Interior, Egypt EditListe Officielles des Médécins Egyptiens, 1922, p. 98 Identity Denis Xenosدنيس زينوسProfession: Dentist practitioner Source More info Bibliographic references: Liste Officielles des Médécins Egyptiens, 1922, p. 98