Multilevel determinants of racial/ethnic disparities in severe maternal morbidity and mortality in the context of the COVID-19 pandemic in the USA: protocol for a concurrent triangulation, mixed-methods study

Liu, Jihong, Peiyin Hung, Chen Liang, and Jiajia Zhang and. 2022. “Multilevel Determinants of Racial/Ethnic Disparities in Severe Maternal Morbidity and Mortality in the Context of the COVID-19 Pandemic in the USA: Protocol for a Concurrent Triangulation, Mixed-Methods Study”. BMJ Open 12 (6): e062294.
Last updated on 05/25/2023