Who did what? (Mis)perceptions about authors' contributions to scientific articles based on order of authorship.

@article{Bhandari2003WhoDW,
  title={Who did what? (Mis)perceptions about authors' contributions to scientific articles based on order of authorship.},
  author={Mohit Bhandari and Thomas A. Einhorn and Marc F. Swiontkowski and James D. Heckman},
  journal={The Journal of bone and joint surgery. American volume},
  year={2003},
  volume={85-A 8},
  pages={1605-9}
}