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Description
It is also vital to change injection sites regularly to avoid irritation or infection

Glycinergic transmission is well documented in the spinal cord, retina, and brainstem, but its role in the forebrain has received substantially less attention 103,104

[DOI] [PMC free article] [PubMed] [Google Scholar] Moreira Brito J

Location of Injection Sites With subcutaneous injections, drugs are delivered into the fatty tissue underneath your skin

The role of gravity cannot be overlooked either
