Wajczyk, Talita, et al. “Secondary Congenital Oronasal Fistula in Feline Neonates of the Maine Coon Breed: Clinical Therapy and Assisted Nutritional Support”. Pubvet, vol. 15, no. 08, July 2021, https://doi.org/10.31533/pubvet.v15n08a879.1-8.