Tests revealed that the radiation treatment that Bill had received (which, at the time, was not as accurate as it is today) had damaged his spinal cord.
كشفت الفحوص ان علاج الاشعة الذي خضع له (‏ الذي لم يكن دقيقا في تلك الايام كما هو اليوم )‏ آذى نخاعه الشوكي .‏