%0 Journal Article %A Kuo-Chang Lee %A Wei-Jing Lee %T Elderly woman with headache %D 2020 %R 10.1136/emermed-2019-209201 %J Emergency Medicine Journal %P 466-479 %V 37 %N 8 %U https://emj.bmj.com/content/emermed/37/8/466.full.pdf