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Figure 3 Quantitative beta-galactosidase assays of catheter-based single-site left ventricular (LV) injections in normal swine (pigs 3 to 8). Note the focal distribution of peak activity. A = anterior wall, L = lateral wall, P = posterior wall, S = septum. Numbers refer to the harvested tissue specimens, 1 being closest to the apex, and 4 being adjacent to the LV outflow tract and mitral valve ring.
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