The quality of vital perinatal statistics data, with special reference to prenatal care.
Kirby
R S
RS
Department of Obstetrics and Gynecology, University of Wisconsin-Madison Medical School, USA.
D001719:Birth Certificates; D005260:Female; D006302:Health Services Research / Q000706:statistics & numerical data*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011295:Prenatal Care / Q000145:classification / Q000706:statistics & numerical data*; D011785:Quality Assurance, Health Care; D012042:Registries / Q000592:standards*; D015203:Reproducibility of Results; D014481:United States