A. Elshafie, F. Al Siyabi, F. Salih, T. Ba Omar, S. Al Bahry, and S. Al Kindi, “The mycobiota of herbal drug plants in Oman and possible decontamination by gamma radiation”, Phytopathol. Mediterr., vol. 42, no. 2, pp. 149–154, Aug. 2003.