TY  - RPRT
TI  - Rheumatoid factor and the fixation of complement.
AU  - N J Zvaifler
PY  - 1969
DO  - 10.1111/j.1749-6632.1969.tb43104.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4193448/
ID  - 4193448
ER  -