Solid phase extraction system for vitamin d and its major metabolites in human plasma

A RAPID METHOD OF TOTAL LIPID EXTRACTION AND PURIFICATION

1959 • 47,127 citations

COMPETITIVE PROTEIN-BINDING RADIOASSAY FOR 25-HYDROXYCHOLECALCIFEROL¹

1971 • 908 citations

A Microassay for 1,25-Dihydroxyvitamin D Not requiring High Performance Liquid Chromatography: Application to Clinical Studies*

1984 • 809 citations

A sensitive, precise, and convenient method for determination of 1,25-dihydroxyvitamin D in human plasma

1976 • 515 citations

Determination of vitamin D and its metabolites in plasma from normal and anephric man

1979 • 372 citations

Evaluation of the Total Fetomaternal Vitamin D Relationships at Term: Evidence for Racial Differences*

1984 • 231 citations

Quantitation of vitamin D and its metabolites and their plasma concentrations in five species of animals

1981 • 202 citations

Filter assay for 1α,25-dihydroxyvitamin D₃. Utilization of the hormone's target tissue chromatin receptor

1974 • 172 citations

Silica Sep-Pak preparative chromatography for vitamin D and its metabolites

1981 • 70 citations

RADIOIMMUNOASSAY OF 1,25‐DIHYDROXY VITAMIN D₂: STUDIES ON THE METABOLISM OF VITAMIN D₂ IN MAN

1983 • 67 citations

Simultaneous determination of 25-hydroxy- and 1,25-dihydroxyvitamin D from a single sample by dual-cartridge extraction.

1984 • 62 citations

A rapid and simple method for the measurement of plasma 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 using Sep-Pak C18 cartridges and a single high-performance liquid Chromatographie step

1982 • 59 citations

Assay for plasma 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 by "high-performance" liquid chromatography.

1981 • 47 citations

Vitamin D in plasma: quantitation by a nonequilibrium ligand binding assay

1981 • 42 citations

An evaluation of the use of sep-pak C18 cartridges for the extraction of vitamin D3 and some of its metabolites from plasma and urine

1983 • 25 citations