Indoor air quality, airborne infection, and ventilation :  exposure assessment of naturally ventilated wards and mechanically ventilated intensive care units of the Philippine General Hospital / 
Emma S. Baja [and four others] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollution, Indoor <br/>Infections <br/>Ventilators, Mechanical <br/> <br/>Intensive Care Units