TY - RPRT TI - Age-related changes in thyroid structure and function in Sprague-Dawley rats. AU - S Rao-Rupanagudi AU - R Heywood AU - C Gopinath PY - 1992 DO - 10.1177/030098589202900402 UR - https://pubmed.ncbi.nlm.nih.gov/1514215/ ID - 1514215 ER -