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10.1097/SLA.0b013e31819a4789 75
Risk factors that should prompt consideration of B12 deficiency include advancing age (reduced stomach acid production), strict vegan or vegetarian diets, pernicious anaemia, gastrointestinal surgery (particularly gastric bypass or ileal resection), long-term use of certain medications (metformin, proton pump inhibitors, H2-receptor antagonists), nitrous oxide exposure (including recreational use), and conditions affecting the gut such as Crohn's disease or coeliac disease
The Pattern Seekers: How Autism Drives Human Invention (Basic Books, 2020)
Effect of Divalent Ions on Stability of Bacillus anthracis InhA Metalloprotease
emphasizes: "Close enough is not good enough when an athlete's career is on the line." For brands serving elite athletes and tested competitors, comprehensive banned substance testing aligned with WADA standards is more than just good practice, it's essential protection
used a tetracycline-response element to control in vivo expression of a short-hairpin RNA against Trp53 [138], the mouse analog of TP53
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