American Journal of Obstetrics and Gynecology · 1978 · 110 citations · 8 references
MedicineGynecologyObstetricsObstetric UltrasoundUltrasonographyUltrasoundCervical ImagingCervical UltrasonographyCervical UltrasoundObstetric UltrasonographyPelvic UltrasoundPregnancy DiagnosisCervical Pregnancy ImagingPregnancy Cervical ExaminationTransvaginal Cervical UltrasonographyTransvaginal Cervical UltrasoundTransvaginal Ultrasound Findings
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Mitsunao Kobayashi, Louis M. Hellman, L.P. Fillisti · American Journal of Obstetrics and Gynecology · 1969 · 84 citations
Cervical pregnancy; review of the literature and presentation of cases.
Russell J. Paalman, Thomas W. McElin · PubMed · 1959 · 70 citations
Medicine, Gynecology, Obstetrics +12
Russell J. Paalman, Thomas W. McElin · American Journal of Obstetrics and Gynecology · 1959 · 65 citations
William E. Studdiford · American Journal of Obstetrics and Gynecology · 1945 · 60 citations