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ICD-10 provides a single, alphanumeric code that everyone understands

However, the frequent and painful IM injections present a great burden for patients and their families, and subcutaneous (SQ) OHCbl administration has been suggested as an alternative parenteral route [9]

However, as peptides break down, they can lose their structure and charge, leading to fragmentation and eventual loss of structural integrity

For general context, see peer-reviewed articles in major journals (reading list below)

B12 has also been loosely linked to serotonin production, the brain chemical that promotes good moods and wards off depression

One key function of B12 involves DNA production