Facilitators and Challenges to Adoption of a Digital Health Tool for Opioid Use Disorder Treatment in Primary Care: Mixed Methods Study. - Nieto, Omar; Rosen, Allison D; Kalmin, Mariah M; Li, Li; Shoptaw, Steven J; Jenkins, Steven P; Zarei Ardestani, Zahra; Tulu, Bengisu (Journal of Medical Internet Research, 2025)