Patient Profiling Based on Spectral Clustering for an Enhanced Classification of Patients with Tension-Type Headache. - Pellicer-Valero, Oscar J.; Fernández-de-las-Peñas, César; Martín-Guerrero, José D.; Navarro-Pardo, Esperanza; Cigarán-Méndez, Margarita I.; Florencio, Lidiane L. (Applied Sciences (2076-3417), 2020)