PLASMA CONCENTRATIONS OF VITAMIN D₃ AND ITS METABOLITES IN THE RAT AS INFLUENCED BY VITAMIN D₃ OR 25-HYDROXYVITAMIN D₃ INTAKESSHEPARD RM; DELUCA HF.1980; ARCH. BIOCHEM. BIOPHYS.; USA; DA. 1980; VOL. 202; NO 1; PP. 43-53; BIBL. 41 REF.Article

THE DETERMINATION OF THE VITAMIN D METABOLITES ON A SINGLE PLASMA SAMPLE: CHANGES DURING PARTURITION IN DAIRY COWSHORST RL; SHEPARD RM; JORGENSEN NA et al.1979; ARCH. BIOCHEM. BIOPHYS.; USA; DA. 1979; VOL. 192; NO 2; PP. 512-523; BIBL. 26 REF.Article

THE DETERMINATION OF 24,25-DIHYDROXYVITAMIN D AND 25,26-DIHYDROXYVITAMIN D IN PLASMA FROM NORMAL AND NEPHRECTOMIZED MANHORST RL; SHEPARD RM; JORGENSEN NA et al.1979; J. LAB. CLIN. MED.; USA; DA. 1979; VOL. 93; NO 2; PP. 277-285; BIBL. 23 REF.Article

DETERMINATION OF VITAMIN D AND ITS METABOLITES IN PLASMA FROM NORMAL AND ANEPHRIC MANSHEPARD RM; HORST RL; HAMSTRA AJ et al.1979; BIOCHEM. J.; GBR; DA. 1979; VOL. 182; NO 1; PP. 55-69; BIBL. 37 REF.Article

25-HYDROXYVITAMIN D₃26,23-LACTONE: A NEW IN VIVO METABOLITE OF VITAMIN DWICHMANN JK; DE LUCA HF; SCHNOES HK et al.1979; BIOCHEMISTRY; USA; DA. 1979; VOL. 18; NO 22; PP. 4775-4780; BIBL. 12 REF.Article

VITAMIN D GROUPHASSAN SSM; TSUKIDA K; DE LEENHEER AP et al.1980; METHODS ENZYMOL.; ISSN 0076-6879; USA; DA. 1980; VOL. 67; PP. 323-542; BIBL. DISSEM.Article