Effect of systemic administration of phytosterol on lacrimal quality of dogs. Bioscience Journal, Uberlândia, MG, v. 35, n. 4, p. 1173–1178, 2019. DOI: 10.14393/BJ-v35n4a2019-41782. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/41782. Acesso em: 17 dec. 2025.