I have had several encounter of such doctor,Fist is was my cuzin she had a hole in her heart so a surgery was done but accidentally the doctor overdosed her which led to her left Arm from moving,although it has improved by last 6 years but still the problem exists,Secondly I has typiod fever and had to get 2 injections daily one in morning and one it night,Gt all injection from Omar hospital but the last one from National Hospital Defence and what they did was injected the Butterfly which is attached to view wrong abt 4-5 times until some Original doctor was called had swelling through out my left hand for abt a week for injecting wrong .