In September 2010, I specifically that:

"It is difficult to estimate the extent to which industry-generated research activities have influenced scientific thinking regarding the effects of nicotine on cognitive performance and on nicotine’s therapeutic applications. Authors’ industry affiliations and potential conflicts of interest reported in publications may go unnoticed by readers, may be difficult to identify, or may not be disclosed at all. Reviews and other articles citing industry-affiliated studies generally did not include author affiliations or potential conflicts of interest at all, leaving the readers unaware of possible industry influences."

In summary, the rules state:

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