"I think they are confusing. The only reason, I'll be honest; the only reason that I'm familiar with it is because of the incident that we went through ..." (Laboratory Manager-01) "Well ... it's very confusing. We are not exactly sure when they recall something or withdraw something. It's, you never know why they are asking you to return something. And they don't give you any extra information, and it is somewhat frustrating, because you know why are they doing this?" (Lab Technologist-06) "Um... gosh... there probably is a very important difference and I ... I would be lying to you if I said with confidence that I could tell you the difference" (Physician using blood products-01)