Doctors can diagnose vitamin B12 deficiency can be diagnosed through blood tests, including a complete blood count and methylmalonic acid test, to measure B12 levels and metabolic function
Eric: Sure, sure
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Critical Control Points Aseptic testing quality control Environmental monitoring: The detection environment must meet the C-level cleanliness standard, with local A-level unidirectional air flow areas
Anal Chim Acta 711:716 Thulin P, Nordahl G, Gry M, Yimer G, Aklillu E, Makonnen E, Aderaye G, Lindquist L, Mattsson CM, Ekblom B, Antoine DJ, Park BK, Linder S, Harrill AH, Watkins PB, Glinghammar B, Schuppe-Koistinen I (2014) Keratin-18 and microRNA-122 complement alanine aminotransferase as novel safety biomarkers for drug-induced liver injury in two human cohorts