Self-administration and interviewer-administration of the German Chronic Respiratory Questionnaire: instrument development and assessment of validity and reliability in two randomised studies
AUTOR(ES)
Puhan, Milo A
FONTE
BioMed Central
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=333432Documentos Relacionados
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