TY  - RPRT
TI  - Quantitative complement fixation. I. Standardization of complement, sheep's blood and amboceptor.
AU  - H H COHEN
PY  - 1951
DO  - 10.1007/bf02062271
UR  - https://pubmed.ncbi.nlm.nih.gov/14857683/
ID  - 14857683
ER  -