[서울신문] Vitamin D is an essential nutrient in the corona era?… UK in clinical trials after controversy
![[서울신문] Vitamin D is an essential nutrient in the corona era?… UK in clinical trials after controversy](https://img.seoul.co.kr/img/upload/2021/01/11/SSI_20210111140533.jpg "[서울신문] Vitamin D is an essential nutrient in the corona era?… UK in clinical trials after controversy")