Biography
Sub-Valvular Aortic Stenosis is a one-man goregrind project from Thessaloniki, Greece. Formed in 2012 by Ioannis Adamidis, who was also involved in such projects as Nx5, Active Stenosis, Stockfeeder, Hydropsy and Menometrorrhagia.
Official Page:
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http://soundcloud.com/nx5/
Biography text from Last.fm, available under CC BY-SA.