Cavalcanti, Eduarda Aléxia Nunes Louzada Dias, et al. “Thoracic Evaluation and Cardiac Measurement Using Radiography in Opossums (Didelphis Albiventris)”. Semina: Ciências Agrárias, vol. 43, no. 4, May 2022, pp. 1629-36, doi:10.5433/1679-0359.2022v43n4p1629.