MATERNAL DEATHS. AN OUTLINE OF A STUDY IN KANSAS AS IT RELATES TO IMPROVEMENT IN MORTALITY RATES

 

作者: DAVID GRAY,  

 

期刊: Obstetrical & Gynecological Survey  （OVID Available online 1958）
卷期: Volume 13, issue 3  

页码: 376-377

 

ISSN:0029-7828

 

年代: 1958

 

出版商: OVID

 

数据来源: OVID

 

 

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