KIRIDI, E. K.; ORIJI, P. C.; UBOM, A. E.; UGWOEGBU, J. U.; OJANEROHAN, A. A.; ABASI, I. J.; PANEBI, B.; DANIEL, A. A. Effect of addition of antispasmodic to local and systemic analgesics on pain perception during hysterosalpingography: a randomized controlled trial. International Journal of Clinical Trials, [S. l.], v. 9, n. 4, p. 243–250, 2022. DOI: 10.18203/2349-3259.ijct20222687. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/628. Acesso em: 22 feb. 2026.