Is idiopathic pulmonary fibrosis actually idiopathic?

Linares, EM; Leon-Castillo, A; Racean, SF; Ortiz, PMB; Gonzalez, SM; Etxebarria, AA; Cuesta, VMM; Fernandez, DI; Gomez-Roman, J

VIRCHOWS ARCHIV, 2017; 471 ( ): S108