1. Physiologic changes in the acute asthmatic attack;lPermutt S,1973
2. Tidal expiratory flow patterns in airflow obstruction;Morris, M.J.; Lane, D.J.;Thorax,1981
3. The principles and practice of medicine;Osler, W.,1892
4. A textbook of the practice of medicine;Price, F.W.,1922
5. principles and practice of medicine;JDavidson's, Macleod,1978