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Electron microscopy. (A) Scanning electron micrograph of smooth-to-slightly roughened conidia, soil isolate R-2942 (magnification, ×10,000). (B) Scanning electron micrograph of conidia with fine spirals, from human corneal isolate R-2944 (magnification, ×10,000). (C) Scanning electron micrograph of conidia with coarse spirals, from human bronchial washing isolate R-2943 (magnification, ×10,000).
