1. Local cerebral blood flow in normoxia, hypoxia in rats maintained     on Phenobarbital Anesthesia. December 11, 1978, Sponsors Dr. Louis Skoloff: Chief Laboratory of cerebral metabolism, National Institute of Mental Health, Bethesda, U.S.A.
  1. Neurosurgery in Sudan. June1983. Sponsor: Prof. Carl-Axel Thulin, Department of Neurosurgery, University Hospital, Lunda, Sweden.
  2. Medical Education in Sudan, July 1994. Sponsor: Prof. Wang     Yield Shanghai Second Medical University, P.R. of China.
  3. The Future of Higher Education and Scientific Research. Future Studies Centre, Universities of Shandi, Gezira, Imam Al Mahdi, Bakht Al Ruda and Council of Ministers.