“Invasive versus conservative strategy in patients aged 80 years or older with non-ST-elevation myocardial infarction or unstable angina pectoris (After Eighty study): an open-label randomised controlled trial,” by Nicolai Tegn, Michael Abdelnoor, Lars Aaberge, Knut Endresen, Pal Smith, Svend Aakhus, Erik Gjertsen, Ola Dahl-Hofseth, Anette Hylen Ranhoff, Lars Gullestad, and Bjorn Bendz, After Eighty study investigators (Vol. 387, No. 10023, March 12, 2016, p. 1057-1065).
www.thelancet.com/journals/lancet/article/PIIS0140-6736%2815%2901166-6/abstract