Treatment with heparin and results for free thyroxin: an in vivo or an in vitro effect?
D005189:False Positive Reactions; D005230:Fatty Acids, Nonesterified / Q000097:blood; D006493:Heparin / Q000378:metabolism* / Q000627:therapeutic use; D006801:Humans; D008722:Methods; D013048:Specimen Handling; D013974:Thyroxine / Q000097:blood*
D005230:Fatty Acids, Nonesterified; D006493:Heparin; D013974:Thyroxine