张家口市某二级医院2005-2012年孕产妇分娩方式现状调查
장가구시모이급의원2005-2012년잉산부분면방식현상조사
Investigation on the mode of delivery in a class Ⅱ hospital of Zhangjiakou from 2005 to 2012
저자의 최근 논문