TY - RPRT TI - Problems in estimating thyroxine secretion rates in cattle. AU - E W Swanson AU - J K Miller PY - 1973 DO - 10.3168/jds.s0022-0302(73)85146-x UR - https://pubmed.ncbi.nlm.nih.gov/4120451/ ID - 4120451 ER -