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Effects of letrozole on serum estradiol and estrone in postmenopausal breast cancer patients and tolerability of treatment: a prospective trial using a highly sensitive LC-MS/MS (liquid chromatography-tandem mass spectrometry) method for estrogen measurement.
Faltinová M, Vehmanen L, Lyytinen H, Haanpää M, Hämäläinen E, Tiitinen A, Blomqvist C, Mattson J. Faltinová M, et al. Among authors: haanpaa m. Breast Cancer Res Treat. 2023 Oct;201(3):425-435. doi: 10.1007/s10549-023-07054-3. Epub 2023 Jul 25. Breast Cancer Res Treat. 2023. PMID: 37491651 Free PMC article. Clinical Trial.
Adipose tissue estrogen production and metabolism in premenopausal women.
Hetemäki N, Mikkola TS, Tikkanen MJ, Wang F, Hämäläinen E, Turpeinen U, Haanpää M, Vihma V, Savolainen-Peltonen H. Hetemäki N, et al. Among authors: haanpaa m. J Steroid Biochem Mol Biol. 2021 May;209:105849. doi: 10.1016/j.jsbmb.2021.105849. Epub 2021 Feb 18. J Steroid Biochem Mol Biol. 2021. PMID: 33610799 Free article.
Monitoring serum estradiol levels in breast cancer patients during extended adjuvant letrozole treatment after five years of tamoxifen: a prospective trial.
Faltinová M, Vehmanen L, Lyytinen H, Haanpää M, Hämäläinen E, Tiitinen A, Blomqvist C, Mattson J. Faltinová M, et al. Among authors: haanpaa m. Breast Cancer Res Treat. 2021 Jun;187(3):769-775. doi: 10.1007/s10549-021-06168-w. Epub 2021 Mar 12. Breast Cancer Res Treat. 2021. PMID: 33710439 Clinical Trial.
Postnatal ovarian activation has effects in estrogen target tissues in infant girls.
Kuiri-Hänninen T, Haanpää M, Turpeinen U, Hämäläinen E, Seuri R, Tyrväinen E, Sankilampi U, Dunkel L. Kuiri-Hänninen T, et al. Among authors: haanpaa m. J Clin Endocrinol Metab. 2013 Dec;98(12):4709-16. doi: 10.1210/jc.2013-1677. Epub 2013 Nov 11. J Clin Endocrinol Metab. 2013. PMID: 24217908