Kiridi, E.K., Oriji, P.C., Ugwoegbu, J.U. and Abasi, I.J. 2022. Effectiveness of paracervical block for pain relief in women undergoing hysterosalpingography in Bayelsa State, South-South Nigeria: a randomized control trial. International Journal of Clinical Trials. 9, 2 (Apr. 2022), 53–59. DOI:https://doi.org/10.18203/2349-3259.ijct20220821.