TY  - RPRT
TI  - Direct complement fixation test with avian infectious bronchitis virus in chicken.
AU  - P K Uppal
PY  - 1970
DO  - 10.1017/s0022172400028680
UR  - https://pubmed.ncbi.nlm.nih.gov/5270203/
ID  - 5270203
ER  -