title: Duality and developmental changes of chicken thymus. DNA ligases.
mesh_terms: D000375:Aging; D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D002845:Chromatography; D011088:DNA Ligases / Q000378:metabolism; D006358:Hot Temperature; D008970:Molecular Weight; D011118:Polynucleotide Ligases / Q000378:metabolism; D013950:Thymus Gland / Q000201:enzymology*
chemical_list: D011088:DNA Ligases; D011118:Polynucleotide Ligases