The survival of recurrent breast cancer has improved with disparities. The ER status and the DFI are associated with a survival improvement of women with recurrent breast cancer with distant metastases.
An assay method for separately measuring the metabolites of vitamin D2 and D3 is investigated. Seven-week-old Wistar male rats were orally administered 200-20,000IU of either vitamin D2 or D3 on alternate days for 12 days. The blood plasma was extracted with either methanol-chloroform for 25-OH-D and 24,25-(OH)2-D, or dichloro
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