PT - JOURNAL ARTICLE AU - De Córdoba, Jose Luis AU - García-Marqueta, Carlos AU - Isach, Núria TI - Novel method of locating the foramen ovale: a wobbly chair with shaky legs AID - 10.1136/rapm-2021-102569 DP - 2022 Jan 01 TA - Regional Anesthesia & Pain Medicine PG - 69--69 VI - 47 IP - 1 4099 - http://rapm.bmj.com/content/47/1/69.short 4100 - http://rapm.bmj.com/content/47/1/69.full SO - Reg Anesth Pain Med2022 Jan 01; 47