LÓPEZ PIEDRAHITA, E.; RAMÍREZ, R. H.; VELÁSQUEZ, C. J.; TAMAYO-QUIJANO, L.; PINTO-PEÑARANDA, L. F.; MÁRQUEZ-HERNÁNDEZ, J.; CHINCHILLA MEJÍA, C. F.; CARDONA VILLA, R. Hypereosinophilic syndrome and Churg-Strauss syndrome Spectrum of the same disease? New concepts. Acta Medica Colombiana, v. 39, n. 2, p. 174-184, 15 Jun. 2014.