Maternal mortality. Surveillance in Puerto Rico, 1989.
D002423:Cause of Death; D003644:Death Certificates; D005260:Female; D006801:Humans; D008428:Maternal Mortality / Q000639:trends; D011159:Population Surveillance / Q000379:methods; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011647:Puerto Rico / Q000453:epidemiology; D014798:Vital Statistics