RT Journal Article SR Electronic T1 Effect of timolol on changes in serum potassium concentration during acute myocardial infarction. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 113 OP 113 DO 10.1136/hrt.55.1.113 VO 55 IS 1 A1 D P Mikhailidis A1 P Dandona A1 D N Baron YR 1986 UL http://heart.bmj.com/content/55/1/113.abstract AB