Big arm-to-arm difference in blood pressure linked to higher heart attack risk – Julie Corlis, Harvard Heart Letter: http://www.health.harvard.edu/blog/big-arm-arm-difference-blood-pressure-linked-higher-heart-attack-risk-201403057064.

Different blood pressure in your  right and left arm could signal trouble – Patrick J. Skerret, Harvard Health: http://www.health.harvard.edu/blog/different-blood-pressure-in-right-and-left-arms-could-signal-trouble-201202014174.

McManus, R., Mant, J et al. 2010. Telemonitoring and self-management in the control of hypertension (TASMINH2): a randomised controlled trial. Lancet 376 (9736): 163-72. http://www.ncbi.nlm.nih.gov/pubmed/20619448.