JA Schvartzman,H. Krupitzki,M. Merialdi,AP Betrán,J. Requejo, MH Nguyen, E. Vayena, AE Fiorillo, EC Gadow, FM Vizcaino, F. von Petery,V. Marroquin,ML Cafferata,A. Mazzoni,V. Vannevel,RC Pattinson,AM Gülmezoglu,F. Althabe and M. Bonet. Odon device for vaginal instrumental deliveries: results of a medical device pilot clinical study. Reprod Health. 2018;15(1):10.1186/s12978-018-0485-8.