TY  - RPRT
TI  - ON CERVICAL MOBILITY.
AU  - J BALL
AU  - K A MEIJERS
PY  - 1964
DO  - 10.1136/ard.23.6.429
UR  - https://pubmed.ncbi.nlm.nih.gov/14229576/
ID  - 14229576
ER  -