Preterm birth and previous conisation of the cervix.
Bamford
P N
PN
Hall
S A
SA
D002584:Cervix Uteri / Q000601:surgery*; D019092:Conization / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000209:etiology*; D011247:Pregnancy