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External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study.
Christodoulou E, Bobdiwala S, Kyriacou C, Farren J, Mitchell-Jones N, Ayim F, Chohan B, Abughazza O, Guruwadahyarhalli B, Al-Memar M, Guha S, Vathanan V, Gould D, Stalder C, Wynants L, Timmerman D, Bourne T, Van Calster B. Christodoulou E, et al. Among authors: abughazza o. BJOG. 2021 Feb;128(3):552-562. doi: 10.1111/1471-0528.16497. Epub 2020 Oct 7. BJOG. 2021. PMID: 32931087 Free PMC article.
Triaging women with pregnancy of unknown location using two-step protocol including M6 model: clinical implementation study.
Bobdiwala S, Christodoulou E, Farren J, Mitchell-Jones N, Kyriacou C, Al-Memar M, Ayim F, Chohan B, Kirk E, Abughazza O, Guruwadahyarhalli B, Guha S, Vathanan V, Bottomley C, Gould D, Stalder C, Timmerman D, van Calster B, Bourne T. Bobdiwala S, et al. Among authors: abughazza o. Ultrasound Obstet Gynecol. 2020 Jan;55(1):105-114. doi: 10.1002/uog.20420. Ultrasound Obstet Gynecol. 2020. PMID: 31385381 Free article.
Evaluating cut-off levels for progesterone, β human chorionic gonadotropin and β human chorionic gonadotropin ratio to exclude pregnancy viability in women with a pregnancy of unknown location: A prospective multicenter cohort study.
Bobdiwala S, Kyriacou C, Christodoulou E, Farren J, Mitchell-Jones N, Al-Memar M, Ayim F, Chohan B, Kirk E, Abughazza O, Guruwadahyarhalli B, Guha S, Vathanan V, Gould D, Stalder C, Timmerman D, Van Calster B, Bourne T. Bobdiwala S, et al. Among authors: abughazza o. Acta Obstet Gynecol Scand. 2022 Jan;101(1):46-55. doi: 10.1111/aogs.14295. Epub 2021 Nov 24. Acta Obstet Gynecol Scand. 2022. PMID: 34817062 Free PMC article.