A survey of pharmacy franchising in the upper midwest.

@article{Christensen1977ASO,
  title={A survey of pharmacy franchising in the upper midwest.},
  author={Dale B. Christensen and Frederic R. Curtiss},
  journal={Journal of the American Pharmaceutical Association},
  year={1977},
  volume={17 11},
  pages={
          696-9
        }
}