Effectiveness of various mailing strategies among nonrespondents in a prospective cohort study
(Q68794397)
scientific article published on 01 June 1990
scientific article published on 01 June 1990
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Effectiveness of various mailing strategies among nonrespondents in a prospective cohort study
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description | scientific article published on 01 June 1990 |
External Links
(P356) |
10.1093/OXFORDJOURNALS.AJE.A115598
|
(P698) |
2343859
|