AU - Ulgu, Mustafa Mahir AU - Ata, Naim AU - Ertugrul, Derun Taner AU - Çağlayan, Murat AU - Ayvali, Mustafa Okan AU - Celik, Osman AU - Birinci, Suayip AU - Kizilgul, Muhammed TI - The Change of the Vitamin D Test Request Number after the Regulation by the Ministry of Health PT - Journal Article DP - 2023 TA - Ankara Med J PG - 165-175 VI - 23 IP - 2 AID - 10.5505/amj.2023.45712 [doi] 4100 - https://dx.doi.org/10.5505/amj.2023.45712 SO - ANKARA MEDICAL JOURNAL, 2023 23(2):165