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intramuscular administration Subcutaneous (into fatty tissue of abdomen, typically 1-2 inches lateral to navel, using a 25-27 gauge, 5/8-inch needle): 28% report injection-site soreness Easier for self-administration Slower absorption (peak serum B12 at 12-18 hours vs
PubMed laboratory research record [PMID: 2618610] PubMed record related to this compound for laboratory literature review
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Eyeball both vials for cracks, discoloration, or anything floating, and check expiry dates before you commit
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