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vegans, or restricted eating for any other reason, in people not supplementing with B12), this is a risk factor for B12 deficiency
(e) Serum analysis of betaine in the mice described in panel (b)
Ultrasonic types a high frequency acoustic pulse is directed down from a transducer to the surface of the medium being measured and, by knowing the temperature and speed of sound in air, the time it takes for the pulse to rebound to the sensor is used to determine the level
J., Ragi, S
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