Identification of adults with symptoms suggestive of obstructive airways disease: Validation of a postal respiratory questionnaire
Timothy L Frank, Peter I Frank, Jennifer A Cropper, Michelle L Hazell, Philip C Hannaford, Roseanne R McNamee, Sybil Hirsch, Charles AC PickeringVolume:
4
Language:
english
DOI:
10.1186/1471-2296-4-5
Date:
December, 2003
File:
PDF, 475 KB
english, 2003