PT - JOURNAL ARTICLE AU - Sarah Tilyou TI - Regulation of PET Radiopharmaceuticals, NDA for <sup>99m</sup>Tc HMPAO, and the Gastric Emptying Petition DP - 1989 Feb 01 TA - Journal of Nuclear Medicine PG - 137--140 VI - 30 IP - 2 4099 - http://jnm.snmjournals.org/content/30/2/137.short 4100 - http://jnm.snmjournals.org/content/30/2/137.full SO - J Nucl Med1989 Feb 01; 30