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  1. Article

    Open Access

    A fixed nitrous oxide/oxygen mixture as an analgesic for patients with postherpetic neuralgia: study protocol for a randomized controlled trial

    The pain management of postherpetic neuralgia (PHN) remains a major challenge, with no immediate relief. Nitrous oxide/oxygen mixture has the advantages of quick analgesic effect and well-tolerated. The purpos...

    Hai-**ang Gao, Jun-Jun Zhang, Ning Liu, Yi Wang, Chun-**ang Ma, Lu-Lu Gao in Trials (2021)

  2. Article

    Open Access

    Immersive virtual reality as analgesia for women during hysterosal**ography: study protocol for a randomized controlled trial

    Hysterosal**ography (HSG) is an accepted radiologic diagnostic modality for initial infertility workup, and is generally considered uncomfortable and painful. However, the management of pain related to HSG r...

    Yi-Ling Wang, Hai-**ang Gao, **-She Wang, **g-Hui Wang, Lei Bo, Ting-Ting Zhang in Trials (2020)

  3. Article

    Open Access

    Analgesia effect of premixed nitrous oxide/oxygen during the rehabilitation after total knee arthroplasty: a study protocol for a randomized controlled trial

    The morbidity of knee arthritis is increasing among aged people and total knee arthroplasty has been its mainstream treatment to date. Postoperative rehabilitation is an important part of the procedure. Howeve...

    Ya-Liang Dai, **ao-Min Chai, Ning Zhu, Kai-Bin Wang, Wen-Qiang Bao, Xue-Sen Zhang in Trials (2019)

  4. Article

    Open Access

    A fixed nitrous oxide/oxygen mixture as an analgesic for trauma patients in emergency department: study protocol for a randomized, controlled trial

    Acute pain is always the most common complaint in Emergency Department admissions and options for analgesia are limited. Nitrous oxide/oxygen possess many properties showing it may be an ideal analgesic method...

    Lu-Lu Gao, Li-Shan Yang, Jun-Jun Zhang, Yi-Ling Wang, Ke Feng, Lei Ma in Trials (2018)