FIGURE 2
From: Embolized Crospovidone (poly[N-vinyl-2-pyrrolidone]) in the Lungs of Intravenous Drug Users

Left, powdered crospovidone (Polyplasdone XL; H&E; original magnification, 480 ×). Right, infrared spectrum.
From: Embolized Crospovidone (poly[N-vinyl-2-pyrrolidone]) in the Lungs of Intravenous Drug Users
Left, powdered crospovidone (Polyplasdone XL; H&E; original magnification, 480 ×). Right, infrared spectrum.