APA (7th ed.) Citation

Gholam, P., Müller-Christmann, C., Uhlmann, L., & Enk, A. (2015). Pain reduction in patients after applying a nitrous oxide/oxygen mixture (Livopan) during photodynamic therapy: Study protocol for an observational study (Livopan study). BMJ open, 5(3), . https://doi.org/10.1136/bmjopen-2014-006412

Chicago Style (17th ed.) Citation

Gholam, Patrick, Christine Müller-Christmann, Lorenz Uhlmann, and Alexander Enk. "Pain Reduction in Patients After Applying a Nitrous Oxide/oxygen Mixture (Livopan) During Photodynamic Therapy: Study Protocol for an Observational Study (Livopan Study)." BMJ Open 5, no. 3 (2015). https://doi.org/10.1136/bmjopen-2014-006412.

MLA (9th ed.) Citation

Gholam, Patrick, et al. "Pain Reduction in Patients After Applying a Nitrous Oxide/oxygen Mixture (Livopan) During Photodynamic Therapy: Study Protocol for an Observational Study (Livopan Study)." BMJ Open, vol. 5, no. 3, 2015, https://doi.org/10.1136/bmjopen-2014-006412.