Non-publication and delayed publication of randomized trials on vaccines: survey
نویسندگان
چکیده
منابع مشابه
Non-publication and delayed publication of randomized trials on vaccines: survey.
OBJECTIVE To evaluate the extent of non-publication or delayed publication of registered randomized trials on vaccines, and to investigate potential determinants of delay to publication. DESIGN Survey. DATA SOURCES Trials registry websites, Scopus, PubMed, Google. STUDY SELECTION Randomized controlled trials evaluating the safety or the efficacy or immunogenicity of human papillomavirus (...
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ژورنال
عنوان ژورنال: BMJ
سال: 2014
ISSN: 1756-1833
DOI: 10.1136/bmj.g3058