Incidental Giardia duodenalis cysts in exfoliative anal cytology: An immunocompetent adult female with prior squamous dysplasia. Issue 11 (30th May 2020) - Terra, Simone B.S.P.; Henry, Michael R.; Pritt, Bobbi S.; Hartley, Christopher P.; Zanish, Justin M.; Chua, Heidi K.; Sturgis, Charles D.