(Q48931143)
Statements
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Ultrasound imaging improves learning curves in obstetric epidural anesthesia: a preliminary study (English)
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Thomas Grau
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Erika Bartusseck
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Renate Conradi
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Eike Martin
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Johann Motsch
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1 December 2003
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50
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10
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1047-1050
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Identifiers
1 reference
1 reference