Qualitative Research on Expanded Prenatal and Newborn Screening: Robust but Marginalized 1. Qualitative Research on Expanded Prenatal and Newborn Screening: Robust but Marginalized. 2019. 2019;Hastings Cent Rep. 2019 May;49 Suppl 1:S72-S81. doi: 10.1002/hast.1019.(Grob R).