APA (7th ed.) Citation

Breil, T., Hoffmann, G. F., & Ries, M. (2018). Publication status of completed registered studies in paediatric appendicitis: A cross-sectional analysis. BMJ open, 8(7), . https://doi.org/10.1136/bmjopen-2018-021684

Chicago Style (17th ed.) Citation

Breil, Thomas, Georg F. Hoffmann, and Markus Ries. "Publication Status of Completed Registered Studies in Paediatric Appendicitis: A Cross-sectional Analysis." BMJ Open 8, no. 7 (2018). https://doi.org/10.1136/bmjopen-2018-021684.

MLA (9th ed.) Citation

Breil, Thomas, et al. "Publication Status of Completed Registered Studies in Paediatric Appendicitis: A Cross-sectional Analysis." BMJ Open, vol. 8, no. 7, 2018, https://doi.org/10.1136/bmjopen-2018-021684.