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Your GP will investigate other common causes of elevated B12, including myeloproliferative disorders, excessive supplementation, renal failure, and certain cancers, whilst assessing whether your liver disease has progressed to a stage causing cellular damage

Materials and results Thirty subjects with low serum concentrations of cobalamin participated in the study

6 Corticosteroids have been shown to induce acne on a dose-dependent basis

Declarations Ethics approval and consent to participate This article does not contain any studies with human participants or animals performed by any of the authors

That means precise documentation, controlled storage, and clear separation between research use and anything outside that scope