Methods for comparative effectiveness research/patient-centered outcomes research: from efficacy to effectiveness.

@article{Schneeweiss2013MethodsFC,
  title={Methods for comparative effectiveness research/patient-centered outcomes research: from efficacy to effectiveness.},
  author={Sebastian Schneeweiss and John D. Seeger and John A. Jackson and Scott R. Smith},
  journal={Journal of clinical epidemiology},
  year={2013},
  volume={66 8 Suppl},
  pages={S1-4}
}