共 13 条
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Effects of theophylline on breathless and exercise tolerance in patients with chronic airflow obstruction. Eaton ML,et al. Chest . 1982
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Sustained-release theophylline reduces dyspnea in norreversible obstructive airwav disease. Mahler DA,et al. The American Review of Respiratory Disease . 1985
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Epidemiology standardization project: II. Recommended respiratory disease questionnaires for use with adults and children in epidemiological research. Ferris,BG. The American Review of Respiratory Disease . 1978
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The measurement of dyspnea. Mahler DA.et al. Chest . 1984
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Effect of respiratory drugs on mucocihary clearance. Sackner MA. Chest . 1978
[10]
Aminophylline improves diaphra gmatic contractility. Aubier M,et al. The New England Journal of Medicine . 1981