Colacioppo, Priscila Maria Use of hyaluronidase to prevent perineal trauma during spontaneous births: a randomized, placebo-controlled, double-blind, clinical trial. [electronic resource] - Journal of midwifery & women's health - 436-45 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1542-2011 Standard No.: 10.1111/j.1542-2011.2011.00056.x doi Subjects--Topical Terms: AdultDelivery, Obstetric--methodsDouble-Blind MethodEpisiotomy--adverse effectsFemaleHumansHyaluronoglucosaminidase--pharmacologyLabor, ObstetricNurse MidwivesObstetric Labor Complications--nursingParityParturitionPerineum--injuriesPregnancyRisk Factors