Fig. 1From: Detection of blood aspiration in deadly head gunshots comparing postmortem computed tomography (PMCT) and autopsy a–c The grading scale of blood aspiration. (a) Grade I showing only a few ground glass opacities (arrows) without any signs of confluence. (b) Grade II in terms of increasing number of ground glass opacities (arrows) with discrete signs of confluence. c Grade III of blood aspiration on PMCT in terms of multiple ggos with distinct signs of confluenceBack to article page