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1 Change in rates of prenatal tests for chromosomal abnormality over a 12-year period in women of advanced maternal age
Soo Min Kim, Hyun Hee Kim, You Jung Han, June Seek Choi, Hyun Mee Ryu, Seongwoo Yang, Min Hyoung Kim
Obstet Gynecol Sci.2018;61(4):453-460.   Published online 2018 June 19     DOI: http://dx.doi.org/10.5468/ogs.2018.61.4.453
      

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