Table of contents

Letters to the editor

• Letter to the Editor: Hemidiaphragmatic paralysis after supraclavicular block: more questions than answers (17 July, 2019)

  Julián Aliste, Daniela Bravo, Sebastián Layera, Roderick J Finlayson, De Q Tran
• Letter to the Editor: Reply to Dr Aliste et al (17 July, 2019)

  Xiuxia Bao, Juanjuan Huang, Haorong Feng, Yuying Qian, Yajie Wang, Zhang Qunying, Hu Huansheng, Wang Xianghe
• Letter to the editor: Suprainguinal fascia iliaca block for pediatric hip surgeries (16 April, 2019)

  Can Aksu, Yavuz Gürkan
• Letter to the Editor: Long-term efficacy of 1–1.2 kHz subthreshold spinal cord stimulation following failed traditional spinal cord stimulation: a retrospective case series (22 May, 2019)

  Simon Thomson
• Letter to the Editor: Response to Dr Thomson’s letter (22 May, 2019)

  Leonardo Kapural, Shervin Harandi
• Letter to the Editor: Pericapsular nerve group (PENG) block: an ethical and academic perspective (17 May, 2019)

  Michael Gofeld
• Letter to the Editor: Reply to Gofeld, pericapsular nerve group (PENG) block: an ethical and academic perspective (17 May, 2019)

  Philip Peng
• Letter to the editor: Is high volume lumbar erector spinae plane block an alternative to transforaminal epidural injection? Evaluation with MRI (16 April, 2019)

  Mine Celik, Serkan Tulgar, Ali Ahiskalioglu, Fatih Alper
• Letter to the editor: Anatomical variation of the femoral nerve in the femoral triangle (20 April, 2019)

  Glenn Woodworth, Timothy Lee, Ryan Ivie, Brooke Becket