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Patients With A History of Gallstones

  • LocationNationwide
  • AgeOver 19
  • GenderAll
  • Study TypeOnline

We are currently seeking patients who have a history of gallstones, and who have undergone an endoscopic procedure to have them removed. If interested, please answer the pre-qualifying questions for an online 30 minute study that pays $50!

You must be a member of the L&E Opinions panel to participate in our studies.