The convenience factor alone is worth the premium
Lee HS, Amarakoon D, Wei CI, Choi KY, Smolensky D, Lee SH
Clinical presenting features of the condition include those relating to anaemia (e.g., pallor, weakness, and fatigue), gastro-intestinal symptoms (e.g., epigastric pain and glossitis), neurological symptoms (e.g., from numbness of extremities and impaired proprioception in subacute combined degeneration of the spinal cord to severe developmental delay, epilepsy, and coma in inherited intracellular cobalamin defects), psychiatric disturbances and neural tube defects in the newborn of a deficient mother ( In cases which arouse clinical suspicion, there is no gold standard single test for the diagnosis of this condition ( p mol/L cut-off in the UK ( Current guidelines for B12 replacement Vitamin B12 is available in four different formulationscyanocobalamin (CN-Cbl), hydroxocobalamin (OH-Cbl), methylcobalamin (methyl-Cbl), and adenosylcobalamin (adenosyl-Cbl)depending on the R residual group attached to the core cobalamin molecule
Acneiform eruptions caused by vitamin B12: a report of five cases and review of the literature
