title: Authors' reply re: Traction force during vacuum extraction: a prospective observational study.
authors.affiliation: Department of Obstetrics and Gynaecology, CLINTEC, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden.
authors.forename: Gunilla
authors.initials: G
authors.lastname: Ajne
authors.affiliation: Department of Obstetrics and Gynaecology, CLINTEC, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden.
authors.forename: Kristina
authors.initials: K
authors.lastname: Pettersson
authors.affiliation: Department of Obstetrics and Gynaecology, CLINTEC, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden.
authors.forename: Magnus
authors.initials: M
authors.lastname: Westgren
mesh_terms: D001720:Birth Injuries; D006801:Humans; D011446:Prospective Studies; D014143:Traction; D014618:Vacuum; D014620:Vacuum Extraction, Obstetrical; D064887:Observational Studies as Topic