Chronic follicular conjunctivitis and its etiological agent.
D000818:Animals; D002642:Chick Embryo; D002908:Chronic Disease; D003231:Conjunctivitis / Q000175:diagnosis / Q000209:etiology / Q000473:pathology; D003235:Conjunctivitis, Inclusion / Q000175:diagnosis; D003937:Diagnosis, Differential; D006168:Guinea Pigs; D006801:Humans