寰枢关节 / Atlantoaxial joint
http://purl.bmicc.cn/ontology/ICD11CN/XA7EM1
http://id.who.int/icd/release/11/2019-04/mms/1948870691
XA7EM1
ICD11CN:XA7EM1
http://purl.bmicc.cn/ontology/ICD11CN/XA6UT2