PT - JOURNAL ARTICLE AU - Yu-Hsuan Lee AU - Che-Ming Yeh AU - Chien Chieh Hsieh TI - Sudden Onset Unilateral Ptosis AID - 10.1136/emermed-2021-212166 DP - 2023 Jan 01 TA - Emergency Medicine Journal PG - 19--55 VI - 40 IP - 1 4099 - http://emj.bmj.com/content/40/1/19.short 4100 - http://emj.bmj.com/content/40/1/19.full SO - Emerg Med J2023 Jan 01; 40