Advancing access to substance use prevention for foster youth through digital innovation: an open trial of fostrspace with court appointed special advocate programs. - Tolou-Shams, Marina; Folk, Johanna B.; Del Cid, Margareth V.; Salas, Jannet Lara; Czopp, Alison; Gonzalez, Juan Carlos; Lundberg, Tylia; Kerrison, Erin Michelle Turner; Shumway, Martha; Wrixon, Ann; Salgado, Robert; Berrick, Jill Duerr (BMC Health Services Research, 2025)