It's difficult to publish contradictory findings.
Thomas E
TE
DeCoursey
D017712:Peer Review, Research / Q000379:methods* / Q000592:standards*; D011643:Publishing / Q000592:standards*; D015203:Reproducibility of Results; D012108:Research Personnel / Q000592:standards; D015871:Scientific Misconduct / Q000331:legislation & jurisprudence*