TY - GEN AU - Sohn,Jong-Hee AU - Chu,Min-Kyung AU - Park,Kwang-Yeol AU - Ahn,Hong-Yup AU - Cho,Soo-Jin TI - Vitamin D deficiency in patients with cluster headache: a preliminary study SN - 1129-2377 PY - 2018///1010 KW - Adult KW - Cluster Headache KW - blood KW - Female KW - Humans KW - Male KW - Middle Aged KW - Seasons KW - Sunlight KW - Vitamin D KW - analogs & derivatives KW - Vitamin D Deficiency N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/s10194-018-0886-7 ER -