Correspondence (letter to the editor): Search bias.
Anja
A
Braschoss
D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D016265:Conflict of Interest / Q000331:legislation & jurisprudence*; D004345:Drug Industry / Q000331:legislation & jurisprudence*; D005858:Germany; D006801:Humans; D007880:Legislation, Drug; D012109:Research Support as Topic / Q000331:legislation & jurisprudence*; D015871:Scientific Misconduct / Q000331:legislation & jurisprudence*