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Intracervical block for levonorgestrel-releasing intrauterine system placement among nulligravid women: a randomized double-blind controlled trial.
De Nadai MN, Poli-Neto OB, Franceschini SA, Yamaguti EMM, Monteiro IMU, Troncon JK, Juliato CRT, Santana LF, Bahamondes L, Vieira CS. De Nadai MN, et al. Am J Obstet Gynecol. 2020 Mar;222(3):245.e1-245.e10. doi: 10.1016/j.ajog.2019.09.013. Epub 2019 Sep 18. Am J Obstet Gynecol. 2020. PMID: 31541635 Clinical Trial.
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