Maldonado, A. L. L., Araujo Júnior, E., Mendonça, D. S., Nardozza, L. M. M., Moron, A. F., & Ajzen, S. A. (2012). Ultrasound Determination of Gestational Age Using Placental Thickness in Female Dogs: An Experimental Study. Hindawi Publishing Corporation.

Maldonado, André Luiz Louzada, Edward Araujo Júnior, Débora Sartori Mendonça, Luciano Marcondes Machado Nardozza, Antonio Fernandes Moron, och Sérgio Aron Ajzen. Ultrasound Determination of Gestational Age Using Placental Thickness in Female Dogs: An Experimental Study. Hindawi Publishing Corporation, 2012.

Maldonado, André Luiz Louzada, et al. Ultrasound Determination of Gestational Age Using Placental Thickness in Female Dogs: An Experimental Study. Hindawi Publishing Corporation, 2012.