PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8440487-3 1993 IL-1 levels were measured in the urine of 33 healthy, ambulatory, elderly subjects (ages 83-95 years), using both a murine thymocyte bioassay, measuring activation by the incorporation of tritiated thymidine and an MTT dye reduction assay. Tritiated thymidine 188-207 interleukin 1 complex Mus musculus 0-4