RT Journal Article SR Electronic T1 Famous blue stain coat (with sincere gratitude to Leonard Cohen) JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 150 OP 150 DO 10.1136/rapm-2021-103008 VO 47 IS 2 A1 Tran, De Q A1 Maikong, Naraporn A1 Kantakam, Perada A1 Sinthubua, Apichat A1 Mahakkanukrauh, Pasuk A1 Leurcharusmee, Prangmalee YR 2022 UL http://rapm.bmj.com/content/47/2/150.abstract AB