Robuta

https://pubmed.ncbi.nlm.nih.gov/6274882/?dopt=Abstract Folate polyglutamate and monoglutamate accumulation in normal and SV40-transformed human fibroblasts Folate polyglutamate and monoglutamate accumulation was measured in normal diploid and SV40-transformed human fibroblasts by Sephadex G-10 gel filtration... folateaccumulation