Prepared and Compiled by Ms. Babita Bansal [M.Sc.(Med. Physiology), Ph.D Scholar (Medical Physiology)] under patronage of Dr. Sushila Gahlot, M.D., Prof.& Head, Department of Physiology, Gian Sagar Medical College & Hospital, Ramnagar, Patiala.

All rights reserved. No part of this record book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or any information storage and retrieval system without permission, in writing from the author.

In conclusion, We want to make clear that this practical note book  will be always under construction, because periodically it  will be updated in terms of current knowledge about the subject. Any feedback and suggestions to improve the quality of this record book are welcome by the author.