The vitamin B12 level in psoriatic skin and serum.
D001681:Biological Assay; D006801:Humans; D007778:Lactobacillus / Q000378:metabolism; D011565:Psoriasis / Q000097:blood* / Q000378:metabolism; D012867:Skin / Q000032:analysis*; D014805:Vitamin B 12 / Q000032:analysis / Q000097:blood* / Q000378:metabolism; D014867:Water / Q000032:analysis
D014867:Water; D014805:Vitamin B 12