De Bruyne, F Interstitial pregnancy treated with local and systemic methotrexate. [electronic resource] - Gynecologic and obstetric investigation Aug 1998 - 133-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 0378-7346 Standard No.: 10.1159/000010017 doi Subjects--Topical Terms: AdultBiomarkers--bloodChorionic Gonadotropin, beta Subunit, Human--bloodFemaleFetal Heart--drug effectsFolic Acid Antagonists--administration & dosageHumansMethotrexate--administration & dosagePregnancyPregnancy, Ectopic--bloodUltrasonography