Sparrow RT, Khan A, Ferreira-Legere L, Ko DT, Jackevicius CA, Goodman SG, Anderson TJ, Stacey D, Tiszovszky I, Farkouh ME, Tu JV, Udell JA. Effectiveness of interventions aimed at increasing statin-prescribing rates in primary cardiovascular disease prevention: a systematic review of randomized clinical trials. JAMA Cardiol. 2019 Nov 1;4(11):1160-9. doi: 10.1001/jamacardio.2019.3066
Espaulella J, Guyer H, Diaz-Escriu F, Mellado-Navas JA, Castells M, Pladevall-Vila M. Nutritional supplementation of elderly hip fracture patients. A randomized, double-blind, placebo-controlled trial. Age Ageing. 2000 Sep;29(5):425-31.