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Description
13 , e000062 (2020)
Intern Med J
Maybe the spark is gone

It is widely used to treat vitamin B12 deficiency and is typically administered by a healthcare professional following a consultation

Contact sensitization to cobalt--multifactorial analysis of risk factors based on long-term data of the Information Network of Departments of Dermatology

Using the wrong one can degrade the peptide or introduce contamination almost instantly
