Theriogenology · 1993 · 126 citations · 20 references
Veterinary MedicineAnimal SciencesObstetricsGynecologic UltrasoundUltrasonographyUltrasoundEarly Pregnancy AssessmentObstetric UltrasonographyPregnancy DiagnosisSheep ReproductionTransabdominal UltrasonographyTransrectal UltrasonographyEarly Pregnancy Anomaly DetectionEarly Pregnancy PrognosticationEarly Pregnancy RecognitionEarly Pregnancy ScreeningPregnancy Ultrasonography
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Sharon L. Lohr · Technometrics · 1994 · 151 citations
Ultrasonic evaluation of the bovine conceptus
John P. Kastelic, Sandra Curran, Roger A. Pierson et al. · Theriogenology · 1988 · 121 citations