Goldstein, Evan Victor. “A Qualitative Synthesis of the Effects of Rising Cost-Sharing Requirements in the United States”. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research 20, no. 2 (May 25, 2019). Accessed December 1, 2022. https://www.qualitative-research.net/index.php/fqs/article/view/3082.