[Introducing the 21st century by modernizing the obstetrics and gynecology--the 50 years' achievement and prospect of the obstetrics and gynecology].
Cao
Z
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Lan
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D002681:China / Q000453:epidemiology; D005193:Family Planning Services; D005260:Female; D006176:Gynecology / Q000639:trends; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008428:Maternal Mortality; D009774:Obstetrics / Q000639:trends