PT - JOURNAL ARTICLE AU - Jose Luis De Córdoba AU - Carlos García-Marqueta AU - Núria Isach TI - Novel method of locating the foramen ovale: a wobbly chair with shaky legs AID - 10.1136/rapm-2021-102569 DP - 2021 Mar 03 TA - Regional Anesthesia & Pain Medicine PG - rapm-2021-102569 4099 - http://rapm.bmj.com/content/early/2021/03/02/rapm-2021-102569.short 4100 - http://rapm.bmj.com/content/early/2021/03/02/rapm-2021-102569.full