title: Unnecessary--the mother of invention?
authors.forename: Russell S
authors.initials: RS
authors.lastname: Kirby
mesh_terms: D001719:Birth Certificates; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D011247:Pregnancy; D019564:Unnecessary Procedures / Q000706:statistics & numerical data*