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Images of Giardia intestinalis cysts and trophozoites in permanent stained smears: LV-PVA stained with Wheatley's trichrome (A), Ecofix stained with Ecostain (B), SAF stained with iron hematoxylin (C), STF stained with Wheatley's trichrome (D), Parasafe stained with Wheatley's trichrome (E), and Proto-fix stained with Trichrome-Plus (F). Concentrated stained smears were Parasafe with Wheatley's trichrome (G) and Proto-fix with Trichrome-Plus (H). Magnifications, ×1,000.
