TY - RPRT TI - An improved I.A.E.A. neck phantom for thyroid uptake series. AU - P J Gillespie AU - W I Keyes PY - 1971 DO - 10.1259/0007-1285-44-520-319 UR - https://pubmed.ncbi.nlm.nih.gov/5552154/ ID - 5552154 ER -