%0 Journal Article %T Importance of the isolation of 25-hydroxyvitamin D before assay. %A Dorantes, L M %A Arnaud, S B %A Arnaud, C D %J The Journal of laboratory and clinical medicine %V 91 %N 5 %P 791-6 %@ 0022-2143 %D 1978-06-28 %~ DeepDyve