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Lung of hydatid cyst infected camel showing: (a) Presence of scoleces (arrows) in alveoli, Bar = 50 µm, (b) pulmonary edema (asterisk), Bar = 50 µm, (c) suppurated cyst (abscess), Bar = 100 µm, (d) caseated (asterisk) and calcified (arrowhead) cyst, Bar = 100 µm.
