title: Studies on a primary factor which stimulates DNA synthesis in isolated thymocytes: Part II--Bioassay, partial purification & characterization.
mesh_terms: D000818:Animals; D004247:DNA / Q000096:biosynthesis*; D066298:In Vitro Techniques; D051379:Mice; D010902:Pituitary Gland; D051381:Rats; D013950:Thymus Gland / Q000378:metabolism*; D014020:Tissue Extracts / Q000302:isolation & purification* / Q000494:pharmacology
chemical_list: D014020:Tissue Extracts; D004247:DNA