Field cancerization treatment: adjustments to an ALA red light photodynamic therapy protocol to improve pain tolerance - Salvio, Ana Gabriela; Stringasci, Mirian Denise; Requena, Michelle Barreto; Oliveira, Elisangela Ramos de; Medeiro, Maira Monique da Costa; Bagnato, Vanderlei Salvador (Photodiagnosis and Photodynamic Therapy, 2021)