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The New England Journal of Medicine, ISSN 0028-4793, 01/2013, Volume 368, Issue 2, pp. 149 - 160
Vitamin B 12 deficiency causes reversible megaloblastic anemia, demyelinating disease, or both. Current assays have insufficient sensitivity and specificity;... 
Case studies | Care and treatment | Medical case management | Causes of | Diagnosis | Vitamin B12 | Health aspects | Vitamin B12 deficiency | Methods | Bone marrow | Vitamin deficiency | Diet | Anemia | Vitamin B | Thyroid diseases
Journal Article
American Family Physician, ISSN 0002-838X, 03/2003, Volume 67, Issue 5, pp. 979 - 986+993
Journal Article
Vitamin B12 deficiency presenting with an acute reversible extrapyramidal syndrome, 10/2004
Vitamin B12 deficiency usually presents with pernicious anemia or various neuropsychiatric manifestations. Commonly seen neuropsychiatric manifestations... 
Neurology | Vitamin B12, Neuropsychiatric manifestations, Acute extrapyramidal syndrome, Parkinsonism ni04171
Journal
by Zik, C
CLINICS IN GERIATRIC MEDICINE, ISSN 0749-0690, 08/2019, Volume 35, Issue 3, pp. 319 - 319
Vitamin B12 deficiency may present with a wide array of symptoms and lead to significant morbidity particularly in terms of the neurologic and hematologic... 
HOMOCYSTEINE | Anemia | OLDER | METHYLMALONIC ACID | PREVALENCE | Vitamin B12 | Elderly patients | GERIATRICS & GERONTOLOGY | SUPPLEMENTATION | COBALAMIN DEFICIENCY | PEOPLE | ELDERLY-PATIENTS | FOLATE
Journal Article
British Medical Journal, ISSN 0959-8146, 09/2014, Volume 349, Issue 7973, p. 23
  Vitamin B^sub 12^ is an essential cofactor that is integral to methylation processes important in reactions related to DNA and cell metabolism, thus a... 
Vitamin deficiency | Medical diagnosis | Vitamins | Deoxyribonucleic acid--DNA
Journal Article
Nutrition Reviews, ISSN 0029-6643, 02/2013, Volume 71, Issue 2, pp. 110 - 117
Vegetarians are at risk for vitamin B12 (B12) deficiency due to suboptimal intake. The goal of the present literature review was to assess the rate of B12... 
vitamin B12 | cobalamin | deficiency | vegans | vegetarians | Vegetarians | Cobalamin | Deficiency | Vitamin B | Vegans
Journal Article
American family physician, ISSN 0002-838X, 09/2017, Volume 96, Issue 6, pp. 384 - 389
Journal Article
The New England Journal of Medicine, ISSN 0028-4793, 05/2013, Volume 368, Issue 21, pp. 2040 - 2042
To the Editor: In the review article describing vitamin B 12 deficiency (Jan. 10 issue), 1 Stabler states that vitamin B 12 is known as cyanocobalamin in the... 
Vitamin B 12 - administration & dosage | Female | Vitamin B 12 Deficiency | Humans | Hydroxocobalamin | Stroke | Nutrient deficiency | Vitamin B12
Journal Article
BMJ-BRITISH MEDICAL JOURNAL, ISSN 1756-1833, 05/2019, Volume 365, p. l1865
Journal Article
The New England Journal of Medicine, ISSN 0028-4793, 09/2014, Volume 371, Issue 10, pp. 963 - 964
Journal Article
Inflammatory Bowel Diseases, ISSN 1078-0998, 2014, Volume 20, Issue 6, pp. 1120 - 1128
Management of vitamin B(12) (cobalamin, Cbl) deficiency in inflammatory bowel disease (IBD) is often not evidenced-based because of uncertainty on whether it... 
Crohn Disease - epidemiology | Prevalence | Vitamin B 12 Deficiency - diagnosis | Humans | Risk Factors | Vitamin B 12 Deficiency - epidemiology | Vitamin B 12 Deficiency - therapy | Vitamin B 12 - blood | Colitis, Ulcerative - epidemiology
Journal Article
Original Article - Clinical and laboratory features and response to treatment in patients presenting with vitamin B12 deficiency-related neurological syndromes, 12/2005
AIMS AND OBJECTIVES: To study the clinical and laboratory features of patients admitted with vitamin B12 deficiency-related (B12def) neurological syndromes.... 
Bone marrow smear, Vitamin B12 deficiency, Myeloneuropathy
Journal
The Indian Journal of Pediatrics, ISSN 0019-5456, 7/2015, Volume 82, Issue 7, pp. 619 - 624
To determine different clinical presentations of vitamin B12 deficiency in infants.Infants at the age of 1–20 mo admitted to infancy clinic of authors’... 
Pediatrics | Medicine & Public Health | Gynecology | Maternal vitamin B12 deficiency | Infants | Children | Vitamin B12 deficiency | PEDIATRICS | ANEMIA | CHILD | PREGNANCY | Vitamin B 12 Deficiency - diagnosis | Humans | Female | Infant | Male | Vitamin B 12 Deficiency - epidemiology | Vitamin B 12 - blood | Vitamin B 12 Deficiency - drug therapy | Vitamin B 12 - therapeutic use | Anemia | Vitamins
Journal Article
Cochrane Database of Systematic Reviews, 03/2018, Volume 2018, Issue 3
Journal Article
The British journal of nutrition, ISSN 0007-1145, 03/2018, Volume 119, Issue 6, pp. 629 - 635
The prevalence of a sub-clinical vitamin B12 deficiency in the vegetarians is high. Total serum vitamin B12 concentration alone does not reliably reflect... 
Immunoassay | Enzymes | Nutrient deficiency | Nutrition | Anemia | Cell division | Vitamin deficiency | Vitamin B12 | Males | Metabolism | Folic acid | Vegetarianism | Proteins | Sensitivity | Vitamin B | Biomarkers | Bioindicators | Diagnostic systems | Females | Homocysteine
Journal Article