A cohort study showed that health insurance databases were accurate to distinguish chronic obstructive pulmonary disease from asthma and classify disease severity

• Autores: Lucie Blais, Jason McKnight, Catherine Lemière, Dick Menzies, Jean Bourbeau, Adrienne Scott
• Localización: Journal of clinical epidemiology, ISSN 0895-4356, Nº. 2, 2005, págs. 206-208
• Idioma: inglés
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