Academic article
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Geisler, Jurgen; Suzuki, Takashi; Helle, Hildegunn
et al. (2010). Breast cancer aromatase expression evaluated by the novel antibody 677: Correlations to intra-tumor estrogen levels and hormone receptor status. (external link)
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Lønning, Per Eystein; Helle, Hildegunn; Duong, Nhat Kim
et al. (2009). Tissue estradiol is selectively elevated in receptor positive breast cancers while tumour estrone is reduced independent of receptor status. (external link)
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Geisler, Jurgen; Helle, Hildegunn; Ekse, Dagfinn
et al. (2008). Letrozole is Superior to Anastrozole in Suppressing Breast Cancer Tissue and Plasma Estrogen Levels. (external link)
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Geisler, Jurgen; Ekse, Dagfinn; Helle, Hildegunn
et al. (2008). An optimised, highly sensitive radioimmunoassay for the simultaneous measurement of estrone, estradiol and estrone sulfate in the ultra-low range in human plasma samples. (external link)
See a complete overview of publications in Cristin.