TI - Relationship Between the Presence of Mental Retardation in Pediatric Patients Undergoing Elective Surgery and Preoperative Parent’s Anxiety AU - Celep, Y.E. AU - Demirgan, S. AU - Gümüş Özcan, F. AU - Selcan, A. SO - European Archives of Medical Research 2020;36:204-208. DO - 10.4274/eamr.galenos.2020.29290