Mashael Al-Saeedi.  Sahal Al-Hajoj Department of Infection and Immunity. Mycobacteriology Research Section. King Faisal Specialist Hospital and Research Center. https://www.roneverhart.com/Traditional-Karate-Do-Okinawa-Goju-Ryu-Book-1-The-Fundamental-Techniques-by-Morio-Higaonna-Preowned/