title: Letter: Reduced active thyroid-hormone levels in acute illness.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D000856:Anorexia Nervosa / Q000097:blood; D002648:Child; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000097:blood; D008875:Middle Aged; D013963:Thyroid Hormones / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood
chemical_list: D013963:Thyroid Hormones; D014284:Triiodothyronine