(Q46419482)
Statements
1 reference
Amniocentesis before 15 weeks' gestation: outcome, risks, and technical problems (English)
1 reference
Hanson FW
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Zorn EM
1 reference
Tennant FR
1 reference
Marianos S
1 reference
Samuels S
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1 June 1987
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156
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6
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1524-1531
1 reference