A Low-cost IoT Mobile System for Monitoring Vital Signs of Elderly People. - Ângela K. Matsuo; Bianca A. Guterres; Nathalia D. Colares; Otavio N. Pessoa; Adriano E. Santos; Daniel Frazão Luiz; Celso B. Carvalho; Waldir S. S. Júnior (SIoT, 2022)