1. Hypertension Detection and Follow-up Program Cooperative Group. Five year findings of the hypertension detection and follow-up program: I. Reduction in mortality of persons with high blood pressure, including mild hypertension. JAMA. 1979;141:2562–71.
2. Helgeland A. Treatment of mild hypertension: a five year controlled drug trial: The Oslo Study. Am J Med. 1980;69:725–30.
3. Australian National Blood Pressure Study Management Committee. The Australian therapeutic trial in mild hypertension: report by the management committee. Lancet. 1980;1:1261–7.
4. Multiple Risk Factor Intervention Trial Research Group. Multiple Risk Factor Intervention Trial: risk factor changes and mortality results. JAMA. 1982;248:1465–77.
5. European Working Party on High Blood Pressure in the Elderly. Mortality and morbidity results from the European Working Party on High Blood Pressure in the Elderly Trial. Lancet. 1985;1:1349–54.