TY - JOUR AU - Prospective Studies Collaboration BT - Lancet LA - eng LB - CVjournal PY - 2002 SP - 1903 EP - 13 ST - Lancet T2 - Lancet TI - Age-specific relevance of usual blood pressure to vascular mortality: a meta-analysis of individual data for one million adults in 61 propective studies VL - 360 ER -