Costa, Marlene Coelho da, Gabriela Unchalo Eckert, Barbara Gastal Borges Fortes, João Borges Fortes Filho, Rita C. Silveira, and Renato S. Procianoy. 2013. “ Oral Glucose for Pain Relief During Examination for Retinopathy of Prematurity: A Masked Randomized Clinical Trial ”. Clinics 68 (2): 199-204. https://doi.org/10.6061/CLINICS/2013(02)OA13.