PT - JOURNAL ARTICLE AU - Gilbert J Grant AU - Ghislaine C Echevarria AU - Andrew P Agoliati AU - Jerome Lax AU - Shaul Cohen TI - Epidural gravity flow technique for labor analgesia AID - 10.1136/rapm-2019-101192 DP - 2020 Feb 17 TA - Regional Anesthesia & Pain Medicine PG - rapm-2019-101192 4099 - http://rapm.bmj.com/content/early/2020/02/17/rapm-2019-101192.short 4100 - http://rapm.bmj.com/content/early/2020/02/17/rapm-2019-101192.full