title: Syphilis and social upheaval in China.
authors.forename: Zunyou
authors.initials: Z
authors.lastname: Wu
authors.forename: Pingyu
authors.initials: P
authors.lastname: Zhou
mesh_terms: D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D020407:Internet; D011159:Population Surveillance; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology; D013587:Syphilis / Q000453:epidemiology; D013590:Syphilis, Congenital / Q000175:diagnosis / Q000453:epidemiology*