APA (7th ed.) Citation

Prado, M. G., Kessler, L. G., Au, M. A., Burkhardt, H. A., Zigman Suchsland, M., Kowalski, L., . . . Thompson, M. J. (2023). Symptoms and signs of lung cancer prior to diagnosis: Case–control study using electronic health records from ambulatory care within a large US-based tertiary care centre. BMJ open, 13(4), e068832. https://doi.org/10.1136/bmjopen-2022-068832

Chicago Style (17th ed.) Citation

Prado, Maria G., et al. "Symptoms and Signs of Lung Cancer Prior to Diagnosis: Case–control Study Using Electronic Health Records from Ambulatory Care Within a Large US-based Tertiary Care Centre." BMJ Open 13, no. 4 (2023): e068832. https://doi.org/10.1136/bmjopen-2022-068832.

MLA (9th ed.) Citation

Prado, Maria G., et al. "Symptoms and Signs of Lung Cancer Prior to Diagnosis: Case–control Study Using Electronic Health Records from Ambulatory Care Within a Large US-based Tertiary Care Centre." BMJ Open, vol. 13, no. 4, 2023, p. e068832, https://doi.org/10.1136/bmjopen-2022-068832.