hi, and here's one more thought --- as far as what i said about articles on pedicle screws and occupational exposure to physicians [which ties in to my earlier post on dose and regulations]. the exposure articles on this that i'm thinking about are on hand exposure data...
the badges i spoke about earlier tonight are typically worn at the collar or chest... however, there are ring badges which are worn on the physicians dominant hand... these dosimeters are what are referred to as TLD... thermoluminescence dosimeters... a slightly different mechanism than OSL dosimeters...
however, extremity exposure has the largest acceptabe occupational dose limit(s) as the skin is technically very radioresistant...