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DOI

10.4104/pcrj.2009.00064

Type

Journal article

Journal

Primary care respiratory journal : journal of the General Practice Airways Group

Publication Date

12/2009

Volume

18

Pages

343 - 345

Addresses

Centre of Academic Primary Care, University of Aberdeen, Scotland, UK. dermotryan@doctors.org.uk

Keywords

Humans, Asthma, Sample Size, Research Design, Patient Selection, Cell Phones, Surveys and Questionnaires