Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleDiagnosis of ectopic pregnancy by vaginal ultrasonography in combination with a discriminatory serum hCG level of 1000 IU/1 (IRP).AuthorsCACCIATORE, BRUNO; STENMAN, ULF-HÅKAN; YLÖSTALO, PEKKAPublicationBJOG: An International Journal of Obstetrics & Gynaecology, 1990, Vol 97, Issue 10, p904ISSN1470-0328Publication typeArticleDOI10.1111/j.1471-0528.1990.tb02445.x