The UK Obstetric Surveillance System for rare disorders of pregnancy.
Knight
Marian
M
National Perinatal Epidemiology Unit, University of Oxford, Old Road Campus, Oxford, UK.
Kurinczuk
Jennifer J
JJ
Tuffnell
Derek
D
Brocklehurst
Peter
P
D003625:Data Collection / Q000379:methods; D005260:Female; D006801:Humans; D011159:Population Surveillance / Q000379:methods*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D035583:Rare Diseases / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology