(Q71577721)
Statements
Superiority of verapamil to propranolol in stable angina pectoris: a double-blind, randomized crossover trail (English)
Frishman WH
Klein NA
Strom JA
Willens H
LeJemtel TH
Jentzer J
Siegel L
Klein P
Kirschen N
Silverman R
Pollack S
Doyle R
Kirsten E