Neifar, M. ; Jaouani, A. ; Ayari, A. ; Abid, O. ; Ben Salem, H. ; Boudabous, A. ; Najar, T. ; Ghorbel, R. E., 2013. Improving the nutritive value of olive cake by solid state cultivation of the medicinal mushroom Fomes fomentarius. Chemosphere, 91 (1): 110-114