It has been proven that source of funding can have an influence on the results of a research. (aka [funding bias][1], well documented [here][2] and [here][3])

When we check for researches, for example through pubmed database, how can we check the source of funding ? (And check for possible financial conflict of interest ? )


  [1]: https://en.wikipedia.org/wiki/Funding_bias
  [2]: http://apps.who.int/medicinedocs/en/d/Js8109e/6.11.html
  [3]: http://www.tufts.edu/~skrimsky/PDF/Funding%20Effect%20and%20Bias.PDF