TY  - RPRT
TI  - Dye impurities and cell-viability testing.
AU  - A M Milne
PY  - 1971
DO  - 10.1016/s0140-6736(71)80113-7
UR  - https://pubmed.ncbi.nlm.nih.gov/4105984/
ID  - 4105984
ER  -