1. Thoracic injuries;Rutherford,1973
2. Spirometric standards for healthy nonsmoking adults;Morris;Am Rev Resp Dis,1971
3. Pulmonary function testing: What is “normal”?;Pennock;Arch Intern Med,1983
4. Rib belts for chest wall pain;Forman;Aches Pains,1983
5. Air-flow meter assessment of the effect of intercostal nerve blockade on respiratory function in rib fractures;Pedersen;Acta Chir Scand,1983