The effects of season (spring versus autumn) on diagnosis of normocalcemic primary hyperparathyroidism by Magdalena Basińska-Lewandowska, Andrzej Lewiński, Andrzej Lewiński, Krzysztof C. Lewandowski, Krzysztof C. Lewandowski, Elżbieta Skowrońska-Jóźwiak, Elżbieta Skowrońska-Jóźwiak

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Limited Role of Endogenous Vasopressin/Copeptin in Stimulation of ACTH–Cortisol Secretion during Glucagon Stimulation Test in Humans by Katarzyna Malicka, Wojciech Horzelski, Andrzej Lewiński, Krzysztof C. Lewandowski

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Metformin paradoxically worsens insulin resistance in SHORT syndrome by Krzysztof C. Lewandowski, Katarzyna Dąbrowska, Maria Brzozowska, Joanna Kawalec, Andrzej Lewiński

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Short-term lifestyle intervention significantly increases fasting adiponectin and induces a decline in serum adiponectin during oral glucose tolerance test, without changes in insu... by Krzysztof C. Lewandowski, Konrad Szosland, Rudiger Horn, Georg Brabant, Andrzej Lewiński

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Limitations of insulin resistance assessment in polycystic ovary syndrome by Krzysztof C Lewandowski, Justyna Płusajska, Wojciech Horzelski, Ewa Bieniek, Andrzej Lewin´ski

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Raised concentrations of lipid peroxidation products (LPO) in pregnant women with impaired glucose tolerance by Krzysztof C. Lewandowski, Nemanja Stojanovic, Martin Press, Susan Tuck, Andrzej Lewiński, Małgorzata Karbownik-Lewińska

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Adequate timing and constant supervision are the keys for successful implementation of levothyroxine or levothyroxine/paracetamol absorption test by Krzysztof C. Lewandowski, Katarzyna Dąbrowska, Magdalena Basińska-Lewandowska, Marek Bolanowski, Marek Ruchała, Andrzej Lewiński

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How much insulin resistance in polycystic ovary syndrome? Comparison of HOMA-IR and insulin resistance (Belfiore) index models by Krzysztof C. Lewandowski, Elżbieta Skowrońska-Jóźwiak, Katarzyna Łukasiak, Katarzyna Gałuszko, Aleksandra Dukowicz, Magdalena Cedro, Andrzej Lewiński

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