It is usually good to bring papers or articles printed so that they know you did your homework. They may dismiss it as garbage but they know you are reading. Many accept those print outs from patients. Those are the open minded doctors who really are ahead of the game and want to learn more even if it is not from clinicians.
They are out there. A patient provided fact sheet can do wonders sometimes not only to educate docs who are too busy to read but also to benefit all of his/her patients.
Here are a few: http://www.excelmale.com/search.php?searchid=6142