The information age confronts an age-old problem.
Hogue
C J
CJ
D001719:Birth Certificates; D005260:Female; D006801:Humans; D008297:Male; D008428:Maternal Mortality; D008498:Medical Record Linkage; D011247:Pregnancy; D011248:Pregnancy Complications / Q000401:mortality; D013997:Time Factors; D014481:United States / Q000453:epidemiology