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Imaging studies offer the most objective assessment but add cost and complexity
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Bariatric surgery and some prescription medications, including metformin and proton pump inhibitors, may impair vitamin absorption
Another prepared solution stocked in this catalog
Withdrawal Period None Storage and Expired Time Store in a place and avoid exposure of direct sunlight
[11] This variant has not been identified, but it has been suggested to coincide with a 22 kDa glycosylated variant of 23 kDa identified in the pituitary gland
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