[A reply to Per Gunnar Holmgren: Is the placement of advertising in the Dagens Medicin random or controlled?].
Milerad
Josef
J
josef.milerad@lakartidningen.se
D000329:Advertising; D003132:Commerce; D016265:Conflict of Interest; D004345:Drug Industry; D035081:Editorial Policies; D006801:Humans; D010506:Periodicals as Topic; D013548:Sweden