Abstract
We acknowledged in our discussion that only a third of eligible patients participated in our trial raising concerns about generalisability. Having identified a group reluctant to attend asthma clinics, achieving a high response rate to a postal invitation was always going to be difficult.
Original language | English |
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Pages (from-to) | 1267-1268 |
Number of pages | 1 |
Journal | British Medical Journal |
Volume | 326 |
DOIs | |
Publication status | Published - 5 Jun 2003 |