Paul Wachtler is an independent medical device consultant.
As you look from year - to year. We'll just do it by year for this. But in fact you have to do it month-to-month. You take a piece of graph paper, now today if you use spreadsheets, Lotus, we discussed this earlier, or some of the Microsoft products, you can draw - you can put down a line of numb...(Full transcript available to logged in subscribers.).
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