Sponsorship, authorship, and a tale of two media.
Horton
R
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D000329:Advertising; D001319:Authorship; D035843:Biomedical Research; D003195:Computer Communication Networks; D030881:Disclosure; D035081:Editorial Policies; D006801:Humans; D010506:Periodicals as Topic; D011643:Publishing; D012109:Research Support as Topic