Voluntary in gestion of Cortinarius mushrooms leading to chronic interstitial nephritis. - Calvino,J.; Romero,R.; Pintos,E.; Novoa,D.; Guimil,D.; Cordal,T.; Mardaras,J.; Arcocha,V.; Lens,X.M.; Sanchez-Guisande,D. (Am J Nephrol, 1998)