APA (7th ed.) Citation

Johnsen, R., Bernersen, B., Straume, B., Førde, O. H., Bostad, L., & Burhol, P. G. (1991). Prevalences of endoscopic and histological findings in subjects with and without dyspepsia. BMJ, 302(6779), 749-752. https://doi.org/10.1136/bmj.302.6779.749

Chicago Style (17th ed.) Citation

Johnsen, R., B. Bernersen, B. Straume, O H. Førde, L. Bostad, and P G. Burhol. "Prevalences of Endoscopic and Histological Findings in Subjects with and Without Dyspepsia." BMJ 302, no. 6779 (1991): 749-752. https://doi.org/10.1136/bmj.302.6779.749.

MLA (9th ed.) Citation

Johnsen, R., et al. "Prevalences of Endoscopic and Histological Findings in Subjects with and Without Dyspepsia." BMJ, vol. 302, no. 6779, 1991, pp. 749-752, https://doi.org/10.1136/bmj.302.6779.749.