TY - JOUR AU - World Health Organisation International Society of Hypertension Blood Pressure Lowering Treatment Trialists' Collaboration AU - Neal Bruce AU - Macmahon S BT - Clinical and Experimental Hypertension LA - eng LB - journal PY - 1999 SP - 517 EP - 29 ST - Clin Exp Hypertens T2 - Clinical and Experimental Hypertension TI - An overview of 37 randomised trials of blood pressure lowering agents among 270,000 individuals VL - 21 ER -