Hansen Peter J. “Programming of Development During Embryonic and Fetal Life in Cattle and Its Consequences for Subsequent Production: Introduction – Capacity for Health and Productive Function Begins to Form in Utero”. Clinical Theriogenology 10, no. 3 (September 1, 2018): 163-166. Accessed February 18, 2025. https://clinicaltheriogenology.net/index.php/CT/article/view/9906.