PT - JOURNAL ARTICLE AU - Carlos Rodrigues Almeida TI - Serratus anterior plane block for posterior rib fractures: why and when may it work? AID - 10.1136/rapm-2020-102098 DP - 2020 Nov 17 TA - Regional Anesthesia & Pain Medicine PG - rapm-2020-102098 4099 - http://rapm.bmj.com/content/early/2020/11/16/rapm-2020-102098.short 4100 - http://rapm.bmj.com/content/early/2020/11/16/rapm-2020-102098.full