title: Incidence and localization of heterotopic thymic tissue in the brachiogenic organs of the one-day-old chick.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000818:Animals; D001380:Azauridine / Q000633:toxicity*; D001934:Branchial Region / Q000002:abnormalities*; D002642:Chick Embryo; D013950:Thymus Gland / Q000002:abnormalities* / Q000187:drug effects / Q000196:embryology
chemical_list: D001380:Azauridine