AU  - Wang TJ, Stafford RS
TI  - PRoblems with measuring the use of β-blockers in ambulatory settings for secondary prevention in patients with coronary artery disease
PT  - JOUR
DP  - 1999
TA  - Archives of Internal Medicine
pages = {755-756},
VI  - 159
IP  - 7
AID  -  [doi]
4100  - http://dx.doi.org/
SO  - Archives of Internal Medicine April 12, 1999 159(7):755