Santimaria, M Experiments on a new phosphine-peptide chelator for labelling of peptides with Tc-99m. [electronic resource] - Nuclear medicine and biology Apr 1999 - 251-8 p. digital Publication Type: Journal Article ISSN: 0969-8051 Standard No.: 10.1016/s0969-8051(98)00106-1 doi Subjects--Topical Terms: Chelating Agents--chemistryChromatography, High Pressure LiquidIsotope Labeling--methodsOrganotechnetium Compounds--chemical synthesisPeptides--chemistryPhosphines--chemistryRadiopharmaceuticals--chemical synthesisTechnetium--chemistryTetragastrin--chemistry