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Figure 1 Gel electrophoresis (1% agarose gel) of reverse transcription-polymerase chain reaction products (human tissue factor [hTF] and alternatively spliced human tissue factor [asHTF]) using ribonucleic acid from human heart biopsies. (M) 250 bp deoxyribonucleic acid ladder; (C) no template, control; (1) explanted heart tissue (ventricular septum); (2) human myocardial biopsy from patient with normal cardiac function; (3) human myocardial biopsy from patient with severely impaired cardiac function.