Determination of a cutoff value for pelvic floor distensibility using the Epi-no balloon to predict perineal integrity in vaginal delivery: ROC curve analysis. Prospective observational single cohort study.
Zanetti MR, Petricelli CD, Alexandre SM, Paschoal A, Araujo Júnior E, Nakamura MU.
Sao Paulo Med J. 2016 Apr;134(2):97-102. doi: 10.1590/1516-3180.2014.8581009. Epub 2015 Mar 17.
PMID:25789777
A randomized comparison of suturing techniques for episiotomy and laceration repair after spontaneous vaginal birth.
Morano S, Mistrangelo E, Pastorino D, Lijoi D, Costantini S, Ragni N.