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First-trimester risk assessment for Trisomies 21 and 18 in twin pregnancy
Stephen T. Chasen, Sriram C. Perni, Robin B. Kalish, Frank A. ChervenakVolume:
197
Year:
2007
Language:
english
Pages:
65535
DOI:
10.1016/j.ajog.2007.06.037
File:
PDF, 84 KB
english, 2007