PT - JOURNAL ARTICLE AU - Jen, Tim Ting Han AU - Prabhakar, Christopher TI - Alternative method of establishing the first rib under ultrasound guidance AID - 10.1136/rapm-2021-103225 DP - 2022 Apr 01 TA - Regional Anesthesia & Pain Medicine PG - 272--273 VI - 47 IP - 4 4099 - http://rapm.bmj.com/content/47/4/272.short 4100 - http://rapm.bmj.com/content/47/4/272.full SO - Reg Anesth Pain Med2022 Apr 01; 47