The Pain Clinic Back to The Pain Clinic all-issues list Volume 18 Number 4 Issue October 2006 A dose-response study of prostaglandin E1 on nerve root blood flow velocity and neurologic symptoms after lumbar spinal decompression in surgical patients 287    Makoto Fukusaki; Masahiko Miyako; Chiaki Inadomi; Kazunori Yamashita; Yoshiaki Terao; Koji Sumikawa The relationship of plasma -endorphins and pain dimensions in primary liver cancer patients using the Chinese Cancer Pain Assessment Tool 297    Simone S. M. Ho; Joanne W. Y. Chung; Thomas K. S. Wong The effect of linear polarized near-infrared irradiation around the stellate ganglia on hormonal secretions 315    Hiroshi Iwama; Takami Komatsu; Masamichi Nishida; Tetsuya Sakamoto Histopathologic changes in liver induced by morphine and tramadol 321    Zuhtu Utku Sevimli; Hakan Dursun; Fazli Erdogan Microbiological analysis of root canals associated with periapical abscesses (with pain and swelling) and the antimicrobial susceptibility of isolated bacteria 327    Selcuk M. Ozbek; M. Sinan Evcil; Ahmet Ozbek; Aziz Sahin Erdoan; Mustafa Köseolu Ultrastructural findings of idiopathic trigeminal neuralgia 339    Zhaoxin Ma; Ming Li; Ling Qi Evaluation of peripheral nerve function using current perception threshold in the herpes zoster patients and the development of post-herpetic neuralgia 345    Katsushi Doi; Hiroyuki Kushizaki; Shinichi Sakura; Tetsuro Nikai; Yoji Saito Non specific low back pain in a Turkish population based sample of school children: a field survey with analysis of associated factors 351    Ugur Cavlak; Ali Cimbiz; Beyza Akdag Esmolol reduces pain on injection of propofol 361    F. N. Kaya; B. Yavascaoglu; E. Basagan Mogol; R. Iscimen; B. Ozcan Management of the stress fracture of the tibia using expandable intramedullary nail in a patient with osteoarthritis and osteomalacia 367    A. Atalay; F. Inanici; B. Volkan; P. Kiratli; A. Öznur Calendar of Events 373