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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1963 5
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1967 10
1968 28
1969 24
1970 28
1971 17
1972 35
1973 26
1974 24
1975 15
1976 21
1977 12
1978 12
1979 13
1980 16
1981 14
1982 5
1983 11
1984 12
1985 19
1986 6
1987 8
1988 11
1989 14
1990 11
1991 15
1992 21
1993 17
1994 28
1995 23
1996 21
1997 26
1998 23
1999 33
2000 33
2001 22
2002 26
2003 37
2004 25
2005 30
2006 34
2007 30
2008 36
2009 34
2010 33
2011 47
2012 43
2013 46
2014 34
2015 33
2016 43
2017 32
2018 39
2019 29
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2022 31
2023 15
2024 6

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1,361 results

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Page 1
Vitamin B12 deficiency: case report and review of literature.
Hasbaoui BE, Mebrouk N, Saghir S, Yajouri AE, Abilkassem R, Agadr A. Hasbaoui BE, et al. Pan Afr Med J. 2021 Mar 4;38:237. doi: 10.11604/pamj.2021.38.237.20967. eCollection 2021. Pan Afr Med J. 2021. PMID: 34046142 Free PMC article. Review.
Vitamin B12 deficiency in early childhood is an important cause of neurodevelopmental delay and regression. ...Urinary concentrations of methylmalonic acid and homocysteine are characteristically elevated in vitamin B12 deficiency. Hyperglycinuria is sometimes prese …
Vitamin B12 deficiency in early childhood is an important cause of neurodevelopmental delay and regression. ...Urinary concentrations …
Vitamin B(12) deficiency.
Green R, Allen LH, Bjørke-Monsen AL, Brito A, Guéant JL, Miller JW, Molloy AM, Nexo E, Stabler S, Toh BH, Ueland PM, Yajnik C. Green R, et al. Nat Rev Dis Primers. 2017 Jun 29;3:17040. doi: 10.1038/nrdp.2017.40. Nat Rev Dis Primers. 2017. PMID: 28660890 Review.
B12 deficiency can affect individuals at all ages, but most particularly elderly individuals. ...Deficiency is caused by either inadequate intake, inadequate bioavailability or malabsorption. ...
B12 deficiency can affect individuals at all ages, but most particularly elderly individuals. ...Deficiency is caused by eithe …
Severe megaloblastic anemia: Vitamin deficiency and other causes.
Socha DS, DeSouza SI, Flagg A, Sekeres M, Rogers HJ. Socha DS, et al. Cleve Clin J Med. 2020 Mar;87(3):153-164. doi: 10.3949/ccjm.87a.19072. Cleve Clin J Med. 2020. PMID: 32127439 Free article. Review.
Megaloblastic anemia causes macrocytic anemia from ineffective red blood cell production and intramedullary hemolysis. The most common causes are folate (vitamin B(9)) deficiency and cobalamin (vitamin B(12)) deficiency. Megaloblastic ane …
Megaloblastic anemia causes macrocytic anemia from ineffective red blood cell production and intramedullary hemolysis. The most common cause …
Megaloblastic Anemias: Nutritional and Other Causes.
Green R, Datta Mitra A. Green R, et al. Med Clin North Am. 2017 Mar;101(2):297-317. doi: 10.1016/j.mcna.2016.09.013. Epub 2016 Dec 14. Med Clin North Am. 2017. PMID: 28189172 Review.
The prevalence of folate deficiency has decreased because of folate fortification, but deficiency still occurs from malabsorption and increased demand. ...Clinical features of megaloblastic anemia include anemia, cytopenias, jaundice, and megaloblastic marrow morpho …
The prevalence of folate deficiency has decreased because of folate fortification, but deficiency still occurs from malabsorpt …
The pathophysiology of elevated vitamin B12 in clinical practice.
Andrès E, Serraj K, Zhu J, Vermorken AJ. Andrès E, et al. QJM. 2013 Jun;106(6):505-15. doi: 10.1093/qjmed/hct051. Epub 2013 Feb 27. QJM. 2013. PMID: 23447660 Review.
While low serum cobalamin levels do not necessarily imply deficiency, an abnormally high serum cobalamin level forms a warning sign requiring exclusion of a number of serious underlying pathologies. Functional cobalamin deficiency can thus occur …
While low serum cobalamin levels do not necessarily imply deficiency, an abnormally high serum cobalamin level forms a …
Vitamin B12 among Vegetarians: Status, Assessment and Supplementation.
Rizzo G, Laganà AS, Rapisarda AM, La Ferrera GM, Buscema M, Rossetti P, Nigro A, Muscia V, Valenti G, Sapia F, Sarpietro G, Zigarelli M, Vitale SG. Rizzo G, et al. Nutrients. 2016 Nov 29;8(12):767. doi: 10.3390/nu8120767. Nutrients. 2016. PMID: 27916823 Free PMC article. Review.
These functions take place in fatty acid, amino acid and nucleic acid metabolic pathways. The deficiency of vitamin B12 is clinically manifested in the blood and nervous system where the cobalamin plays a key role in cell replication and in fatty acid metabolism. .. …
These functions take place in fatty acid, amino acid and nucleic acid metabolic pathways. The deficiency of vitamin B12 is clinically …
Nutritional neuropathies.
Gwathmey KG, Grogan J. Gwathmey KG, et al. Muscle Nerve. 2020 Jul;62(1):13-29. doi: 10.1002/mus.26783. Epub 2019 Dec 26. Muscle Nerve. 2020. PMID: 31837157 Review.
Although these neuropathies assume different patterns, most are length-dependent, sensory axonopathies. Cobalamin deficiency neuropathy is the exception, often presenting with a non-length-dependent sensory neuropathy. Patients with cobalamin and copper de …
Although these neuropathies assume different patterns, most are length-dependent, sensory axonopathies. Cobalamin deficiency n …
Vitamin B12 deficiency - A 21st century perspective .
Shipton MJ, Thachil J. Shipton MJ, et al. Clin Med (Lond). 2015 Apr;15(2):145-50. doi: 10.7861/clinmedicine.15-2-145. Clin Med (Lond). 2015. PMID: 25824066 Free PMC article. Review.
Although classically caused by pernicious anaemia, this condition now accounts for a minority of cases and vitamin B12 deficiency occurs most often due to food-bound cobalamin malabsorption. ...This review focuses on the developments in the clinical features and man …
Although classically caused by pernicious anaemia, this condition now accounts for a minority of cases and vitamin B12 deficiency occ …
Vitamin B12 absorption and malabsorption.
Guéant JL, Guéant-Rodriguez RM, Alpers DH. Guéant JL, et al. Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1. Vitam Horm. 2022. PMID: 35337622 Review.
Vitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in …
Vitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin ( …
Pernicious anemia: Pathophysiology and diagnostic difficulties.
Htut TW, Thein KZ, Oo TH. Htut TW, et al. J Evid Based Med. 2021 May;14(2):161-169. doi: 10.1111/jebm.12435. Epub 2021 May 20. J Evid Based Med. 2021. PMID: 34015185 Review.
Pernicious anemia (PA) is the most common cause of vitamin B12 (cobalamin) deficiency anemia in the world. It is an autoimmune disease, comprising of salient features of autoimmune chronic atrophic gastritis (CAG) and cobalamin deficiency (CD). ...Sinc …
Pernicious anemia (PA) is the most common cause of vitamin B12 (cobalamin) deficiency anemia in the world. It is an autoimmune …
1,361 results