@article{Rutstein1976, author = {Rutstein, D. D. and Berenberg, W. and Chalmers, T. C. and Child, C. G. and Fishman, A. P. and Perrin, E. B.}, title= {Measuring the quality of medical care. A clinical method}, year = {1976}, journal = {New England Journal of Medicine}, volume = {294}, number = {11}, pages = {582--588}, }