TY - JOUR AU - Seto, W H; Tsang, D; Yung, R W TI - Effectiveness of precautions against droplets and contact in prevention of nosocomial transmission of severe acute respiratory syndrome (SARS) JO - Lancet IS - 9368 VL - 361 PY - 2003 DO - 10.1016/S0140-6736(03)13168-6 L3 - PubMed-ID: 12737864 SP - 1519 EP - 1520 N1 - , et al; Advisors of Expert SARS group of Hospital Authority. ER -