TY - JOUR T1 - Response to ‘An alternative method of establishing the first rib under ultrasound-guidance’ JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med DO - 10.1136/rapm-2021-103254 SP - rapm-2021-103254 AU - Mark Friedrich B Hurdle AU - Guilherme Ferreira-Dos-Santos AU - Raul Rosario-Concepcion AU - Laura V Gil AU - Jason S Eldrige AU - Steven R Clendenen Y1 - 2021/11/07 UR - http://rapm.bmj.com/content/early/2021/11/07/rapm-2021-103254.abstract N2 - ER -