“Isolation and identification of pandemic influenza virus H1N1/2009 S-OIV from commercial and backyard swine in Costa Rica” (2014)
Ciencias veterinarias, 29(2), pp. 57–85. Available at:
https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/6040 (Accessed: 12 April 2025).