Silva, M., Figueiredo, A., Melo, P., Silva, M., Magalhães, A., & Aita, K. 2026 Jun 1. Pietra: A Proof of Concept for a WhatsApp Conversational Agent for Informational Triage in University Students' Mental Health. Companion Proceedings of the Brazilian Symposium on Computing Applied to Healthcare (SBCAS). [Online] :