Spirocercosis in red fox (Vulpes vulpes) in a natural reserve located in a meso-Mediterranean area - Valcárcel F; González J; Aguilar A; Sánchez M; González MG; Suárez R; Tercero AM; Tercero JM; Nieto JM; González-Guirado AM; Olmeda AS (Veterinary Parasitology: Regional Studies And Reports, 2018)