Andrade Vargas, A [The Espinosa Flores operation in isthmo-cervical insufficiency]. [electronic resource] - Ginecologia y obstetricia de Mexico May 1976 - 345-56 p. digital Publication Type: Case Reports; English Abstract; Journal Article ISSN: 0300-9041 Subjects--Topical Terms: Abortion, Spontaneous--etiologyAdultFemaleHumansMethodsPregnancyRisk FactorsUterine Cervical Incompetence--complications