TY  - RPRT
TI  - [Lumbar rigidity (author's transl)].
AU  - H Klems
AU  - M Weigert
PY  - 1973
DO  - 10.1007/bf00416644
UR  - https://pubmed.ncbi.nlm.nih.gov/4272600/
ID  - 4272600
ER  -