TY - JOUR AU - Hefner, Jennifer L. AU - Hogan, Tory Harper AU - Opoku-Agyeman, William AU - Menachemi, Nir PY - 2021 DA - 2021/03/25 TI - Defining safety net hospitals in the health services research literature: a systematic review and critical appraisal JO - BMC Health Services Research SP - 278 VL - 21 IS - 1 AB - The aim of this study was to identify the range of ways that safety net hospitals (SNHs) have been empirically operationalized in the literature and determine the extent to which patterns could be identified in the use of empirical definitions of SNHs. SN - 1472-6963 UR - https://doi.org/10.1186/s12913-021-06292-9 DO - 10.1186/s12913-021-06292-9 ID - Hefner2021 ER -