Dear Authors, I'm a doctor in Bangladesh. When I was a medical student , your nice book was not available.But now i got the book. Thanks a lot for your palatable presentation. I really appreciate your book with ***** rating. When I read the book I feel a sense of serenity. With best regards to K.SEMBULINGAM & P.SEMBULINGAM!! Sincerely Yours, Dr.Masud; Dhaka Medical Colege,BANGLADESH.