TY - GEN AU - Zhang,Jian AU - Zheng,Yue-ying AU - Feng,Zhi-ying AU - Chen,Chao-qin AU - Zhu,Sheng-mei TI - Epidural fentanyl decreases the minimum local analgesic concentration of epidural lidocaine SN - 2542-5641 PY - 2013///1203 KW - Adult KW - Analgesia, Epidural KW - methods KW - Drug Interactions KW - Female KW - Fentanyl KW - administration & dosage KW - Fistula KW - surgery KW - Hemorrhoidectomy KW - Humans KW - Lidocaine KW - Male KW - Middle Aged KW - Urinary Bladder Neoplasms N1 - Publication Type: Journal Article; Randomized Controlled Trial ER -