Aqueous humour vitamin B12 and intramuscular cobalamins.
D000368:Aged; D000550:Amblyopia / Q000378:metabolism; D001082:Aqueous Humor / Q000032:analysis* / Q000378:metabolism; D001681:Biological Assay; D002387:Cataract Extraction; D003486:Cyanides / Q000096:biosynthesis; D005055:Euglena; D006801:Humans; D007273:Injections, Intramuscular; D008875:Middle Aged; D012160:Retina / Q000378:metabolism; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000032:analysis* / Q000097:blood / Q000378:metabolism; D014822:Vitreous Body / Q000378:metabolism
D003486:Cyanides; D014805:Vitamin B 12