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In the UK, vitamin B12 deficiency is relatively common, particularly among older adults, vegans, vegetarians, and individuals with certain gastrointestinal conditions that impair absorption, such as pernicious anaemia or Crohn's disease
Mood disorder with mixed, psychotic features due to vitamin b12 deficiency in an adolescent: case report
Ale EC, Binetti AG (2021) Role of probiotics, prebiotics, and synbiotics in the elderly: insights into their applications
Other findings include nail thickening, subungual hyperkeratosis, leukonychia, Beau's lines, onycholysis, onychoschizia, longitudinal ridging, salmon-colored erythema around areas of onycholysis, oil-drop patches (yellow-orange discoloration), and splinter hemorrhages (Fig
Continuous variables were reported as means standard deviation or medians with interquartile range (IQR), as appropriate