PT - JOURNAL ARTICLE AU - Shao, Peiqi AU - Han, Chao AU - Wang, Yun TI - Depth of cervical plexus block and diaphragmatic dysfunction AID - 10.1136/rapm-2022-103650 DP - 2022 Jun 14 TA - Regional Anesthesia & Pain Medicine PG - rapm-2022-103650 4099 - http://rapm.bmj.com/content/early/2022/06/14/rapm-2022-103650.short 4100 - http://rapm.bmj.com/content/early/2022/06/14/rapm-2022-103650.full