Evaluation of false transrectal ultrasonographic pregnancy diagnoses in sheep by measuring the plasma level of pregnancy-associated glycoproteins.

Karen, A., Beckers, J.-F., Sulon, J., el Amiri, B., Szabados, K., Ismail, S., Reiczigel, J., & Szenci, O. (2003). Evaluation of false transrectal ultrasonographic pregnancy diagnoses in sheep by measuring the plasma level of pregnancy-associated glycoproteins. Reproduction, Nutrition, Development, 43(6), 577‑586. https://doi.org/10.1051/rnd:2004005