1. 174th National Meeting of the American Chemical Society in the Division of Nuclear Chemistry and Technology;Schmall,1979
2. Radiopharmaceuticals.Structure-Activity Relationships;Schmall,1981
3. 65th Scientific Meeting of the Radiological Society of North America;Bigler,1979
4. 28th Annual Meeting of the Society of Nuclear Medicine;Zanzonico,1981
5. 2nd Int. Symp. on Radiopharmacology;Zanzonico,1981