HeffnerJE, KleinJ.Chest imaging in critically ill patients: analysis of clinical value. Respir Care1994;39(1):51–62.
2.
HessD.Inhaled bronchodilators during mechanical ventilation: delivery techniques, evaluation of response, and cost-effectiveness. Respir Care1994;39(2):105–122.
3.
DurbinCG. Monitoring gas exchange: clinical effectiveness and cost considerations. Respir Care1994;39(2):123–138.