Ponco, K. Y. Y., Pajas, A. M. G. A., & Rayos, A. A. (2021). Ultrasonographic features of the uterus and ovaries in Holstein-Sahiwal crossbred dairy heifers at different phases of the estrous cycle. The Philippine Journal of Veterinary Medicine.
Cita Chicago (17th ed.)Ponco, Kristine Ysabel Y., Arville Mar Gregorio A. Pajas, i Antonio A. Rayos. "Ultrasonographic Features of the Uterus and Ovaries in Holstein-Sahiwal Crossbred Dairy Heifers at Different Phases of the Estrous Cycle." The Philippine Journal of Veterinary Medicine 2021.
Cita MLA (9th ed.)Ponco, Kristine Ysabel Y., et al. "Ultrasonographic Features of the Uterus and Ovaries in Holstein-Sahiwal Crossbred Dairy Heifers at Different Phases of the Estrous Cycle." The Philippine Journal of Veterinary Medicine, 2021.