Ayala-García B, Fuentes-Farías AL, Gutiérrez-Ospina G. Phenotypic variation in American bullfrogs (<em>Lithobates catesbeianus</em>) bred under intensive systems in Mexico: A preliminary report. Vet Mex OA [Internet]. 2020 Mar. 31 [cited 2024 May 2];7(1). Available from: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/747