title: The status of Toxoplasma gondii in the etiology of senile human cataract.
mesh_terms: D000368:Aged; D000818:Animals; D002386:Cataract / Q000209:etiology* / Q000382:microbiology; D005455:Fluorescent Antibody Technique; D006801:Humans; D051379:Mice; D014122:Toxoplasma / Q000302:isolation & purification; D014126:Toxoplasmosis, Ocular / Q000150:complications*