PULLA, S. M.; NAIK, J.; BABU, T. A. Trial design and protocol of randomized controlled trial evaluating the efficacy of a non-invasive topical pain numbing device for prophylactic analgesia during routine vaccination in children. International Journal of Clinical Trials, [S. l.], v. 13, n. 1, p. 73–77, 2026. DOI: 10.18203/2349-3259.ijct20260049. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/919. Acesso em: 29 jan. 2026.