APA (7th ed.) Citation

JE, W., DO, S., SM, S., DJ, G., G, B., K, M., & HG, W. (2013). Observational intensity bias associated with illness adjustment: Cross sectional analysis of insurance claims. BMJ (Clinical research ed.), 346, f549. https://doi.org/10.1136/bmj.f549

Chicago Style (17th ed.) Citation

JE, Wennberg, Staiger DO, Sharp SM, Gottlieb DJ, Bevan G, McPherson K, and Welch HG. "Observational Intensity Bias Associated with Illness Adjustment: Cross Sectional Analysis of Insurance Claims." BMJ (Clinical Research Ed.) 346 (2013): f549. https://doi.org/10.1136/bmj.f549.

MLA (9th ed.) Citation

JE, Wennberg, et al. "Observational Intensity Bias Associated with Illness Adjustment: Cross Sectional Analysis of Insurance Claims." BMJ (Clinical Research Ed.), vol. 346, 2013, p. f549, https://doi.org/10.1136/bmj.f549.