title: Quality assurance in obstetrics: a model.
authors.forename: R S
authors.initials: RS
authors.lastname: Ellison
mesh_terms: D002585:Cesarean Section / Q000592:standards*; D004420:Dystocia / Q000601:surgery*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011785:Quality Assurance, Health Care