Luo, Xiao-Lin Obstetrical disease spectrum in China: an epidemiological study of 111,767 cases in 2011. [electronic resource] - Chinese medical journal May 2015 - 1137-46 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2542-5641 Standard No.: 10.4103/0366-6999.156076 doi Subjects--Topical Terms: China--epidemiologyFemaleGenital Diseases, Female--epidemiologyHumansInfant, NewbornInfant, Newborn, Diseases--epidemiologyPregnancyPregnancy Complications--epidemiology