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. 2000 Oct;24(5):552.
doi: 10.1111/j.1467-842x.2000.tb00512.x.

The effect of an introductory letter on participation rates using telephone recruitment

B Robertson, M Sinclair, A Forbes, M Kirk, C K Fairley
Free article

The effect of an introductory letter on participation rates using telephone recruitment

B Robertson et al. Aust N Z J Public Health. 2000 Oct.
Free article
No abstract available

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