The Journal of Turkish Family Physicianfizyoloji Archives - The Journal of Turkish Family Physician http://turkishfamilyphysician.com Online Dergi Thu, 02 Apr 2026 08:13:36 +0000 tr hourly 1 Destek tedavisi D vitamininin yıllık ritmini bozar: Retrospektif bir analiz http://turkishfamilyphysician.com/makaleler/arastirma/destek-tedavisi-d-vitamininin-yillik-ritmini-bozar-retrospektif-bir-analiz/ Fri, 25 Sep 2020 18:01:01 +0000 http://turkishfamilyphysician.com/?p=11472 Introduction Vitamin D is a steroid molecule that has endocrine, paracrine and autocrine functions. Human skin is capable of producing adequate amounts of it by using internal sources. The energy transferred from solar ultraviolet B radiation is used to synthesize vitamin D via photochemical ring-opening and isomerization steps of the precursor molecule (7-dehydrocholesterol) localized in […]

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