Abdou, Fayza Ahmed, and Azza Abd Elrazek Baraka. “Relationship Between Patients, Visitors’ Violence and Emergency Nurses’ Work Productivity”. International Journal of Innovative Research in Medical Science, vol. 3, no. 11, Nov. 2018, p. 2278 to 2286, doi:10.23958/ijirms/vol03-i11/469.