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You may notice changes in bowel habits, mild nausea (particularly after meals), or a sensation of fullness that persists longer than usual
JAMA Network Sharfstein JM
Genetic architecture of vitamin B12 and folate levels uncovered applying deeply sequenced large datasets
For an IM injection, which goes directly into the muscle, youll want to hold the syringe like a dart at a 90-degree angle to your skin
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