APA Citation

Helmer, L. M., Weijenberg, R. A., de Vries, R., Achterberg, W. P., Lautenbacher, S., Sampson, E. L., & Lobbezoo, F. (2020). Crying out in pain—A systematic review into the validity of vocalization as an indicator for pain. Eur J Pain.

Chicago Style Citation

Helmer, Loreine M.L., Roxane A.F Weijenberg, Ralph de Vries, Wilco P. Achterberg, Stefan Lautenbacher, Elizabeth L. Sampson, and Frank Lobbezoo. "Crying Out in Pain—A Systematic Review Into the Validity of Vocalization As an Indicator for Pain." Eur J Pain 2020.

MLA Citation

Helmer, Loreine M.L., et al. "Crying Out in Pain—A Systematic Review Into the Validity of Vocalization As an Indicator for Pain." Eur J Pain 2020.

Warning: These citations may not always be 100% accurate.