title: Letter: Cystic-fibrosis factor and metachromasia of cultured cystic-fibrosis fibroblast.
mesh_terms: D002478:Cells, Cultured; D003550:Cystic Fibrosis / Q000235:genetics / Q000473:pathology*; D005347:Fibroblasts; D005838:Genotype; D006801:Humans; D008722:Methods; D013194:Staining and Labeling