The difficulty with data: greater accuracy required for policy making.
Downes
Susan
S
Roach
Sally M
SM
D036861:Delivery, Obstetric / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008427:Maternal Health Services; D008507:Medically Underserved Area; D010139:Pacific Islands; D011050:Policy Making; D011247:Pregnancy; D013223:Statistics as Topic / Q000379:methods