TY - JOUR AU - Taşdemir, A; Erakgün, A; Deniz, M N; Çertuğ, A TI - Comparison of preoperative and postoperative anxiety levels with state-trait anxiety inventory test in preoperatively informed patients JO - Turk J Anaesthesiol Reanim VL - 41 PY - 2013 SP - 44 EP - 49 ER -