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More invasive procedures are done to detect each case of Down's syndrome in younger women |
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| Authors: | Marttala Jaana Ranta Jenni K Kaijomaa Marja Nieminen Pentti Laitinen Paivi Kokkonen Hannaleena Romppanen Jarkko Hamalainen Esa Kultti Johanna Tekay Aydin Ulander Veli-Matti Honkasalo Timppa Ryynanen Markku |
| Affiliation: | Department of Obstetrics and Gynecology, Oulu University Hospital, Oulu, Finland. |
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