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A. Sharp
C. Comforth
R. Jackson
M. Turner
L. Kenny
P. Baker
E. Johnstone
A. Khalil
A.T. Papageorghiou
Z. Alfirevic
Institute of Child Health Department of Womens and Childrens Health,University of Liverpool, Liverpool, United Kingdom
Liverpool Clinical Trials Unit, University of Liverpool, Liverpool, United Kingdom
Irish Centre for Fetal and Neanatal Translational Research, Department of Obstetrics and Gynecology, University Collage Cork, Cork University Maternity Hospital, Cork, Republic of Ireland
College of Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, United Kingdom
Maternal and Fetal Health Research Centre, Central Manchester University Hospitals, NHS Foundation Trust, Manchester, United Kingdom
Neonatal Unit, St Georges Hospital NHS Trust, London, United Kingdom
United Kingdom
Republic of South Korea
N/A
N/A
N/A
N/A
Sildenafil citrate
N/A
Randomized
Placebo Control
Double Blind/Blinded
Controlled
NA
N/A
N/A
N/A