Key points are not available for this paper at this time.
Yale studies in ambulatory medical care. V. Determinants of use of hospital emergency services. E R Weinerman, R S Ratner, A Robbins, and M A LavenharCopyRight https://doi.org/10.2105/AJPH.56.7.1037 Published Online: August 29, 2011
Weinerman et al. (Fri,) studied this question.