title: Discontinuous density gradient analysis of the developing human thymus.
mesh_terms: D002499:Centrifugation, Density Gradient; D002648:Child; D005260:Female; D005333:Fetus; D006801:Humans; D008938:Mitosis; D011247:Pregnancy; D012710:Serum Albumin, Bovine; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000166:cytology* / Q000196:embryology; D014316:Tritium
chemical_list: D014316:Tritium; D012710:Serum Albumin, Bovine; D013936:Thymidine