Seham Kamal Abdellatif; Salwa Hagag Abdelaziz; Mohamed Fadl Al Sayed; Nabil Essam Mohamed; Ghanem Adel Ghanem; Aya Ali Hassan; Doaa Sharif Farag; Basma Essam Mohamed. Correlation Between Preoperative Anxiety and Postoperative Pain in Patients Undergoing Laparoscopic Cholecytectomy. ijnd 2019, 9, 06-11.