title: Examples of internal contamination by tritium-thymidine having short half-lives.
mesh_terms: D004781:Environmental Exposure; D006207:Half-Life; D006801:Humans; D011834:Radiation Monitoring; D013936:Thymidine / Q000378:metabolism*; D014316:Tritium / Q000652:urine*
chemical_list: D014316:Tritium; D013936:Thymidine