TY  - RPRT
TI  - Diffuse intervertebral disc calcification.
AU  - L F Layfer
AU  - R Katz
AU  - H Golden
PY  - 1977
DO  - 10.7326/0003-4819-87-2-252_1
UR  - https://pubmed.ncbi.nlm.nih.gov/889217/
ID  - 889217
ER  -