TY - ECHAP AU - Black H. AU - Neal Bruce AU - Macmahon S BT - Clinical Trials Hypertension CY - New York LA - eng LB - book PB - Marcel Dekker PP - New York PY - 2000 T2 - Clinical Trials Hypertension TI - World Health Organisation-International Society of Hypertension Blood Lowering Treatment Trialists' Collaboration ER -