Wersäll, P. et al. 1989. Generation of Human Lak Cells in Tissue Culture Bags Using Recombinant Il-2 and Serum Free Medium Effects of pretreatment with phenylalanine-methylester. Acta Oncologica. 29, 4 (May 1989), 431–437. DOI:https://doi.org/10.3109/02841869009090026.