Identification of gastrointestinal parasites in pig farms and economic losses due to condemnation of livers parasitized by Ascaris suum in abattoirs in Costa Rica. Ciencias Veterinarias [Internet]. 2013 Mar. 21 [cited 2024 Apr. 27];27(1):7-21. Available from: https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/4980