(Q41825589)
Statements
1 reference
Ultrasound screening and perinatal mortality: controlled trial of systematic one-stage screening in pregnancy. The Helsinki Ultrasound Trial (English)
1 reference
A Saari-Kemppainen
1 reference
O Karjalainen
1 reference
P Ylöstalo
1 reference
O P Heinonen
1 reference
1 August 1990
1 reference
1 reference
336
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8712
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387-391
1 reference
Identifiers
1 reference
1 reference