[Have indications for aortocoronary bypass operation changed?]. Turina M. Internist (Berl). 1987 Nov;28(11):747-50. PMID: 3323111
Coronary artery bypass surgery, an Arkansas series. Williams CD. J Ark Med Soc. 1985 Apr;81(11):591-3. PMID: 3157675
Prediction and possible prevention of coronary disease. KEYS A. Am J Public Health Nations Health. 1953 Nov;43(11):1399-1407. doi: 10.2105/ajph.43.11.1399. PMID: 13104699