B. I. Hoffbrand, M. I. Hoffbrand, I. D. Hill, P. J. D. Heaf
Hoffbrand B I, Hoffbrand M I, Hill I D, Heaf P J D.
Trial of Bronchodilator Drugs Given by Metered Aerosol with a Comparison of Two Bedside Methods of Estimating Airway Resistance
Br Med J 1966; 1 :1014
doi:10.1136/bmj.1.5494.1014
