BALLARINI, G. Pet therapy. Animals in human therapy.
Acta Biomedica Atenei Parmensis
, Fidenza, Italy, v. 74, n. 2, p. 97–100, 2003. Disponível em:
https://mattioli1885journals.com/index.php/actabiomedica/article/view/2132
. Acesso em: 21 jul. 2025.