TY  - RPRT
TI  - Virus titrations using trypsin modified erythrocytes.
AU  - K F Shortridge
AU  - L Y Hu
PY  - 1977
DO  - 10.1136/jcp.30.10.993
UR  - https://pubmed.ncbi.nlm.nih.gov/591636/
ID  - 591636
ER  -