Quantitative autoradiography of a cardiac vegetation taken from a rabbit treated with 352 μCi of [14C]LY333328, 30 min after the end of intravenous infusion. The diagram shows the radioactivity, in nanocuries per gram, of labeled antibiotic for each zone indicated on the autoradiograph: 1, 291.6; 2, 229.5; 3, 202.5; 4, 186.3; 5, 275.4; 6, 218.7; 7, 164.7.