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doi:10.1210/clinem/dgad484 Bhasin S, Seidman S, Travison TG, et al

Clinical diagnoses and prior comorbidities were based on ICD-10 codes and ATC codes associated with prescriptions

It is important not to self-treat with high-dose B12 supplements before seeing your GP if you suspect deficiency, as this can interfere with diagnostic blood tests and potentially mask underlying conditions such as pernicious anaemia
Positive and negative regulation of T-cell activation through kinases and phosphatases
