APA (7th ed.) Citation

DF, S., & NU, W. (1999). Any variability in outcome comparisons adjusted for case mix must be accounted for. BMJ (Clinical research ed.), 318(7176), 128. https://doi.org/10.1136/bmj.318.7176.128a

Chicago Style (17th ed.) Citation

DF, Signorini, and Weir NU. "Any Variability in Outcome Comparisons Adjusted for Case Mix Must Be Accounted for." BMJ (Clinical Research Ed.) 318, no. 7176 (1999): 128. https://doi.org/10.1136/bmj.318.7176.128a.

MLA (9th ed.) Citation

DF, Signorini, and Weir NU. "Any Variability in Outcome Comparisons Adjusted for Case Mix Must Be Accounted for." BMJ (Clinical Research Ed.), vol. 318, no. 7176, 1999, p. 128, https://doi.org/10.1136/bmj.318.7176.128a.