TY  - RPRT
TI  - Ankylosing hyperostosis in American blacks: a longitudinal study.
AU  - A Jumshyd
AU  - M A Khan
PY  - 1983
DO  - 10.1007/bf02032167
UR  - https://pubmed.ncbi.nlm.nih.gov/6331965/
ID  - 6331965
ER  -