External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study
对预测未知妊娠结局的模型进行外部验证:一项多中心队列研究
期刊:Bjog-An International Journal of Obstetrics and Gynaecology
影响因子:4.3
doi:10.1111/1471-0528.16497
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