A study of the influence of isolated calf spleen RNA on amphibian histogenesis.
D000818:Animals; D001921:Brain / Q000196:embryology*; D006965:Hyperplasia; D066298:In Vitro Techniques; D012313:RNA / Q000494:pharmacology*; D013053:Spectrophotometry; D013057:Spectrum Analysis; D013154:Spleen; D014461:Ultracentrifugation; D014562:Caudata
D012313:RNA