TY  - RPRT
TI  - Seronegative spondarthritides.
AU  - P Helliwell
AU  - V Wright
PY  - 1987
DO  - 10.1016/s0950-3579(87)80042-0
UR  - https://pubmed.ncbi.nlm.nih.gov/3331332/
ID  - 3331332
ER  -