https://pubmed.ncbi.nlm.nih.gov/23132821/?otool=flbhsflib&holding=flbhsflib
The addition of RPMI significantly improves the cellularity of cerebrospinal fluid cytology...
For CSF specimens that cannot be immediately processed, the addition of RPMI appears to significantly improve cellularity at 24 hours to 48 hours after their...
the additioncerebrospinal fluidrpmisignificantlyimproves