TY - JOUR T1 - Vitamin D levels of the healthy infants using oral spray or drop form of vitamin D supplement in the first year of life AU - Kabakoglu Unsur, Emel Y1 - 2021 PY - 2021 DA - 2021 N1 - doi: 10.14744/nci.2020.09471 DO - 10.14744/nci.2020.09471 T2 - Northern Clinics of İstanbul JF - Northern Clinics of İstanbul JO - North Clin Istanb SP - 31 EP - 36 VL - 8 IS - 1 SN - M3 - PMID: 33623870 UR - https://dx.doi.org/10.14744/nci.2020.09471 Y2 - 2021 ER -