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Fig 1. Gross photographs of neck tissue coverage. A, The 14-day coil loops in Ad-BMP-13–treated aneurysms are embedded within thin translucent membranous tissue, which completely covers the orifice of the neck. B, The Ad-BMP-13 1-month coil loops are embedded within a moderately thick membranous tissue, which completely covers the neck. C–D, The 14-day and 1-month PAs, respectively, show that the coil loops are barely visible at the neck orifice, and no membranous tissue is visible..
