Published in Hospital and Nursing Home Week, November 15th, 2007
"We have compared concentrations of serum E1S in postmenopausal women measured by direct RIA or GC-MS/MS methods We analysed serum E1S concentrations using a direct 'ultrasensitive' RIA. Serum EIS concentrations were also measured by GC-MS/MS in which estrone conjugates are isolated using a solid-phase technique after which enzyme hydrolysis is employed to liberate estrone prior to GC-MS/MS...
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