Marsupial morphology of reproduction: South America opossum male model - Barros, Michelle Andrade de; Martins, João Flávio Panattoni; Samoto, Vívian Yochiko; Oliveira, Vanessa Cristina de; Gonçalves, Natalia Juliana Nardelli; Maçanares, Celina Almeida Furlanetto; Vidane, Atanásio Serafim; Carvalho, Ana Flávia de; Ambrósio, Carlos Eduardo; Miglino, Maria Angélica (Microscopy Research and Technique, 2013)