Some patients feel as though they want more frequent injections, and occasionally we test levels to see if they are receiving adequate replacement, but Im not sure how strong the evidence is to support this. GPs should consider periodic vitamin B12 testing of higher-risk patients who take metformin, even if they dont display symptoms of deficiency, the UK medicines regulator said earlier this year
Papayannidis, Cristina
Lu Y, Gao J, Zhang S, Gu J, Lu H, Xia Y, et al
Fourthly, it is known from growth plate chondrocytes that, within a single cell population, cells of different sizes and/or location can express different gene profiles, which could explain the difference in gene expression profiles in NCs and CLCs [1, 3]