December 2008 references and further reading
Calhoun DA, Jones D, Textor S, et al. Resistant hypertension: Diagnosis, evaluation, and treatment: A scientific statement from the American Heart Association Professional Education Committee of the Council for High Blood Pressure Research. Hypertension 2008; 51:1403-1419.
Chase AJ, Fretz EB, Warburton WP, et al. Association of the arterial access site at angioplasty with transfusion and mortality: The M.O.R.T.A.L study (mortality benefit of reduced transfusion after percutaneous coronary intervention via the arm or leg). Heart 2008; 94:1019-25.