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S. Usman
B.H. Kahrs
H. Barton
K.. Salvesen
T.M. Eggeb
C. Lees
Queen Charlottes' and Chelsea Hospital, Imperial College London, London, United Kingdom
National Centre for Fetal Medicine, St Olavs Hospital, Trondheim, Norway
Queen Charlottes' and Chelsea Hospital, Imperial College London, London, United Kingdom
Department of Clinical Sciences, Lund University, Lund, Sweden
St. Olavs Hospital, Trondheim, Norway
United Kingdom
Norway
Sweden
N/A
N/A
N/A
N/A
N/A
N/A
Double Blind/Blinded
Prospective
Cohort
Single Center
NA
N/A
N/A
N/A