Noninvasive Self-monitoring of Blood Glucose at Your Fingertips, Literally!: Smartphone-Based Photoplethysmography - Mazzu-Nascimento, Thiago; Leal, Ângela Merice de Oliveira; Nogueira-de-Almeida, Carlos Alberto; Avó, Lucimar Retto da Silva de; Carrilho, Emanuel; Silva, Diego Furtado (International Journal of Nutrology, 2020)