Having a clever measuring technique or finding a way to start a conversation are just two of the ways that advisors should consider.

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One way of measuring them is a technique known as inter-generational accounting, pioneered by Laurence Kotlikoff, an economist at Boston University.

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Nissen's technique of measuring plaque with ultrasound would allow a faster path to approval, but until now there has been no certain proof that affecting plaque buildup helps patients.

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The motion cites a sworn statement by echocardiogram technician Marti McCulloch that Fleming instructed her to use an incorrect technique for measuring atrial regurgitation, a key component of fen-phen claims.

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But a variant of the technique, which involves measuring changes in the speed of the reflected wave, can reveal information about moisture.

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Summing up the evidence, Wilcox said it was "extremely unlikely, " but not impossible, that Williams had worked out a technique to get into the bag -- measuring just 32 inches by 19 inches (81 by 48 centimeters) -- and lock it from the inside.

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