Designing an Emergency Response Community for Opioid Overdoses in Philadelphia. - Roy Aizen; Gabriela Marcu; Anjali Misra; Gregory Sieber; David G. Schwartz; Alexis Roth; Stephen Lankenau (CHI Extended Abstracts, 2018)

Empowering Communities With a Smartphone-Based Response Network for Opioid Overdoses. - Gabriela Marcu; David G. Schwartz; Janna Ataiants; Alexis Roth; Inbal Yahav; Benjamin Cocchiaro; Michael Khalemsky; Stephen Lankenau (IEEE Pervasive Comput., 2020)

UnityPhilly: Experiences with a Smartphone App that Facilitates Community Response to Opioid Overdoses. - Gabriela Marcu; Amber Hardin; Janna Ataiants; Alexis Roth; Stephen E. Lankenau; David G. Schwartz (C&T, 2021)

Meeting People Where They Are: Building Community-Centered Care with Smartphone-Facilitated Response to Overdoses. - Yongjie Sha; Alexis Roth; Stephen Lankenau; David G. Schwartz; Gabriela Marcu (Proc. ACM Hum. Comput. Interact., 2025)