title: THE ALTERATIONS OF NORMAL HUMAN EMBRYONIC CELL STRAINS AFTER CONTINUOUS CULTIVATION IN VITRO AND THEIR COMPARISON WITH CELL STRAINS OF TUMOR ORIGIN.
mesh_terms: D000596:Amino Acids / Q000378:metabolism*; D002294:Carcinoma, Squamous Cell; D005333:Fetus; D005347:Fibroblasts; D005998:Glycine; D006651:Histocytochemistry; D066298:In Vitro Techniques; D007668:Kidney; D008175:Lung Neoplasms; D009369:Neoplasms; D046509:Tissue Culture Techniques
chemical_list: D000596:Amino Acids; D005998:Glycine
keywords: AMINO ACID METABOLISM; CARCINOMA, EPIDERMOID; FETUS; FIBROBLASTS; GLYCINE; HISTOCYTOCHEMISTRY; KIDNEY; LUNG NEOPLASMS; NEOPLASMS; TISSUE CULTURE