P Lynch, H Dargie, S Krikler, D Krikler
Lynch P, Dargie H, Krikler S, Krikler D.
Objective assessment of antianginal treatment: a double-blind comparison of propranolol, nifedipine, and their combination.
Br Med J 1980; 281 :184
doi:10.1136/bmj.281.6234.184