Amniocentesis performed at 14 weeks' gestation or earlier: comparison with first-trimester transabdominal chorionic villus sampling. Other Scholarly Work
Shulman, LP, Elias, S, Phillips, OP et al. (1994). Amniocentesis performed at 14 weeks' gestation or earlier: comparison with first-trimester transabdominal chorionic villus sampling.
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