RT Journal Article SR Electronic T1 Radiochemical Purity of 99mTc-Pertechnetate JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 266 OP 269 VO 15 IS 4 A1 Billinghurst, M. W. A1 Groothedde, M. A1 Palser, R. YR 1974 UL http://jnm.snmjournals.org/content/15/4/266.abstract AB