APA (7th ed.) Citation

Gao, H., Zhang, J., Liu, N., Wang, Y., Ma, C., Gao, L., . . . Li, Y. (2021). A fixed nitrous oxide/oxygen mixture as an analgesic for patients with postherpetic neuralgia: Study protocol for a randomized controlled trial. Trials, 22(1), 1. https://doi.org/10.1186/s13063-020-04960-5

Chicago Style (17th ed.) Citation

Gao, Hai-Xiang, et al. "A Fixed Nitrous Oxide/oxygen Mixture as an Analgesic for Patients with Postherpetic Neuralgia: Study Protocol for a Randomized Controlled Trial." Trials 22, no. 1 (2021): 1. https://doi.org/10.1186/s13063-020-04960-5.

MLA (9th ed.) Citation

Gao, Hai-Xiang, et al. "A Fixed Nitrous Oxide/oxygen Mixture as an Analgesic for Patients with Postherpetic Neuralgia: Study Protocol for a Randomized Controlled Trial." Trials, vol. 22, no. 1, 2021, p. 1, https://doi.org/10.1186/s13063-020-04960-5.