1. Efficacy of high-intensity laser therapy in the treatment of chronic neck pain: a randomized double-blind placebo-control trial. Issue 4 (May 2016) Authors: Alayat, Mohamed; Mohamed, Ashraf; Helal, Omar; Khaled, Osama Journal: Lasers in medical science Issue: Volume 31:Issue 4(2016) Page Start: 687 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Predictors for tooth loss in periodontitis patients: Systematic review and meta‐analysis. (28th May 2019) Authors: Helal, Omar; Göstemeyer, Gerd; Krois, Joachim; Fawzy El Sayed, Karim; Graetz, Christian; Schwendicke, Falk Journal: Journal of clinical periodontology Issue: Volume 46:Number 7(2019) Page Start: 699 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗