JAMA Health Forum
2021
Aaron L. Schwartz, Troyen A. Brennan, Dorothea Verbrugge, Chris L. Jagmin, and Joseph P. Newhouse
https://www.semanticscholar.org/paper/Measuring-the-Scope-of-Prior-Authorization-Policies-Schwartz-Brennan/460127c4a07667227af1faf666795d67dc63b5c8?msclkid=9bb0daf4abbe11ec841a272477aa63f1