title: [Stimulation of embryonic rat cells in culture by calf-serum. IV. Isolation of an Active Protein and Partial Purification of a second Stimulating Fraction from fetal calf-serum].
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000302:isolation & purification / Q000494:pharmacology*; D002417:Cattle / Q000276:immunology; D002478:Cells, Cultured / Q000187:drug effects*; D003470:Culture Media; D005333:Fetus; D005347:Fibroblasts / Q000187:drug effects; D007106:Immune Sera / Q000032:analysis; D051381:Rats / Q000196:embryology; D013268:Stimulation, Chemical
chemical_list: D001798:Blood Proteins; D003470:Culture Media; D007106:Immune Sera
vernacular_title: Stimulierung von Kulturen embryonaler Rattenzellen durch Kälberserum. IV. Isolierung eines aktiven Proteins sowie Anreicherung einer zwieten wirksamen Fraktion aus fötalem Kälberserum.