%0 Journal Article %T Progress report on a national quality-control survey of triiodothyronine and thyroxin assay. %A Zucchelli, G, C %A Pilo,, A %A Chiesa, M, R %A Piro, M, A %J Clinical Chemistry %V 30 %N 3 %P 395-398 %@ 0009-9147 %D 1984-03-01 %I Oxford Academic %~ DeepDyve