title: Cervical cerclage. 20 years' experience at the Mayo Clinic.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011248:Pregnancy Complications / Q000601:surgery*; D002581:Uterine Cervical Incompetence / Q000517:prevention & control / Q000601:surgery*