TY - BOOK AU - Niederman,Michael S. TI - Severe pneumonia SN - 0824726278 (hc.) PY - 2005/// CY - Boca Raton PB - Taylor & Francis KW - Pneumonia, Bacterial KW - Cross Infection KW - etiology KW - Ventilators, Mechanical KW - adverse effects KW - Intensive Care ER -