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Re: A direct method for ultrasound prediction of day of delivery: a new, population‐based approach. Problems of accounting for a retrospective selection
Author(s) -
Kiserud T.,
Johnsen S. L.,
Rasmussen S.
Publication year - 2008
Publication title -
ultrasound in obstetrics and gynecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.202
H-Index - 141
eISSN - 1469-0705
pISSN - 0960-7692
DOI - 10.1002/uog.5204
Subject(s) - medicine , population , gestational age , retrospective cohort study , ultrasound , pregnancy , protocol (science) , obstetrics , medical physics , pediatrics , surgery , radiology , genetics , alternative medicine , environmental health , pathology , biology