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Transperineal versus endovaginal ultrasonographic examination of the cervix in the midtrimester: A blinded comparison
John Owen, Cherry Neely, Allison NorthenVolume:
181
Year:
1999
Language:
english
Pages:
4
DOI:
10.1016/s0002-9378(99)70300-5
File:
PDF, 43 KB
english, 1999