title: Thyroid follicular cell proliferation as a function of age.
mesh_terms: D000367:Age Factors; D000818:Animals; D001345:Autoradiography; D008297:Male; D008779:Methylthiouracil / Q000494:pharmacology; D008938:Mitosis; D009929:Organ Size; D051381:Rats; D013936:Thymidine; D013961:Thyroid Gland / Q000033:anatomy & histology / Q000166:cytology* / Q000187:drug effects; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D008779:Methylthiouracil; D013936:Thymidine