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Understanding factors influencing questionnaire response rates to maximise retention in a long term complex intervention trial
Athene J Lane, Liz Down, Julia Wade, David Neal, Freddie Hamdy, Jenny DonovanVolume:
12
Langue:
english
Pages:
1
DOI:
10.1186/1745-6215-12-s1-a134
Date:
December, 2011
Fichier:
PDF, 126 KB
english, 2011