1. The normal expiratory spirogram—Technique;Dayman,1967
2. Flow control during forced expiration—A preliminary report;Dayman,1966
3. The mid-maximum flow rate, a re-examination;Sobol;Am Rev Resp Dis,1965
4. Spirometry in medical clinic;Rosner;J Am Med Assn,1965
5. Quality evaluation and control methods in computer assisted screening;Discher,1968