Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEP25.03: External validation of risk prediction model M4: rationalising management of pregnancies of unknown location.AuthorsNadim, B.; Lu, C.; Shakeri, B.; Reid, S.; Condous, G.AbstractAn abstract of the article "External validation of risk prediction model M4: rationalising management of pregnancies of unknown location," B. Nadim and colleagues is presented.SubjectsRISK -- Law &; legislation; RISK-return relationshipsPublicationUltrasound in Obstetrics & Gynecology, 2016, Vol 48, p372ISSN0960-7692Publication typejournal articleDOI10.1002/uog.17134