PT - JOURNAL ARTICLE AU - Priyam Saikia AU - Habib Md Reazaul Karim TI - Letter in response to Xiao <em>et al</em>: ED50 and ED95 of intrathecal bupivacaine with or without phenylephrine AID - 10.1136/rapm-2019-100679 DP - 2020 Mar 01 TA - Regional Anesthesia &amp; Pain Medicine PG - 250--250 VI - 45 IP - 3 4099 - http://rapm.bmj.com/content/45/3/250.1.short 4100 - http://rapm.bmj.com/content/45/3/250.1.full SO - Reg Anesth Pain Med2020 Mar 01; 45