Disclaimer The information contained in the presentation is based on the personal experience and cases collected at Choithram Hospital Indore over the last 20 years. It is intended for the use of Medical students Anesthesia & ENT,Radiology post graduates. The views expressed are purely on personal opinion. viewers can make their own opinion. For any confusion please contact sole author. Everybody is allowed to copy or download the material best suited to him. I am not responsible for any controversies arising out of the presentation. For any suggestions or corrections you may please contact
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