APA (7th ed.) Citation

AA, P., AM, F., CS, R., & C, W. (2021). Chlorhexidine oral rinses for symptomatic COPD: A randomised, blind, placebo-controlled preliminary study. BMJ open, 11(12), e050271. https://doi.org/10.1136/bmjopen-2021-050271

Chicago Style (17th ed.) Citation

AA, Pragman, Fieberg AM, Reilly CS, and Wendt C. "Chlorhexidine Oral Rinses for Symptomatic COPD: A Randomised, Blind, Placebo-controlled Preliminary Study." BMJ Open 11, no. 12 (2021): e050271. https://doi.org/10.1136/bmjopen-2021-050271.

MLA (9th ed.) Citation

AA, Pragman, et al. "Chlorhexidine Oral Rinses for Symptomatic COPD: A Randomised, Blind, Placebo-controlled Preliminary Study." BMJ Open, vol. 11, no. 12, 2021, p. e050271, https://doi.org/10.1136/bmjopen-2021-050271.