OC05.03: Ultrasound in the second stage of labour before instrumental vaginal delivery: a randomised controlled trial
1998 ◽
Vol 105
(2)
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pp. 186-188
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2017 ◽
Vol 124
(4)
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pp. 678-685
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2008 ◽
Vol 115
(13)
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pp. 1695-1703
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2006 ◽
Vol 113
(8)
◽
pp. 977-978