Paul W. Armstong

International variation in the use of blood transfusion in patients with non-ST-segment elevation acute coronary syndromes.

R. Califf, L. Newby, F. Van de Werf, 2008, The American journal of cardiology.

Acute decompensated heart failure patients admitted to critical care units: insights from ASCEND-HF.

R. Califf, C. O'connor, J. McMurray, 2014, International journal of cardiology.