Determinants of subject visit participation in a prospective cohort study of HTLV infection
<p>Abstract</p> <p>Background</p> <p>Understanding participation in a prospective study is crucial to maintaining and improving retention rates. In 1990–92, following attempted blood donation at five blood centers, we enrolled 155 HTLV-I, 387 HTLV-II and 799 HTLV serone...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2009-03-01
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Series: | BMC Medical Research Methodology |
Online Access: | http://www.biomedcentral.com/1471-2288/9/19 |