Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies

Van Calster, B ; Abdallah, Y ; Guha, S ; Kirk, E ; Van Hoorde, K ; Condous, G ; Preisler, J ; Hoo, W ; Stalder, C ; Bottomley, C ; Timmerman, D ; Bourne, T

Human reproduction (Oxford), 2013-03, Vol.28 (3), p.609-616 [Periódico revisado por pares]

England: Oxford University Press

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