Response to Heijboer et al. Ann Clin Biochem 2009;46(3):263-4.
McKillop
Derek
D
Thompson
David
D
Sharpe
Peter
P
D005260:Female; D006801:Humans; D007118:Immunoassay / Q000379:methods / Q000592:standards; D013960:Thyroid Function Tests / Q000379:methods / Q000592:standards; D013974:Thyroxine / Q000032:analysis*
D013974:Thyroxine