i thoroughly read this book and this book provides a lots of information about a rare and uncommon diseases.This book proves a very helpful for all the students related to medical feild..This book contain a comperhensive study about a rare diseases with its sypmtoms,causes and prevention..The wording used in this book is very easy....This book is well written by dr.Imran qadir ...i really apreciate your efforts and hard work sir..This book proves a jewel for us...Thankyou sooo much sirr