Observation on curative effect of elderly patients with cervical pain by ultrasound-guided selective cervical nerve root block
ZHU Mei-juan, WU Wei, WANG Xiang-rui
上海交通大学学报（医学版） . 2015, (12): 1919 .  DOI: 10.3969/j.issn.1674-8115.2015.12.030