title: Letter: An unusual artefact found in cytologic preparations.
mesh_terms: D000328:Adult; D000818:Animals; D001980:Bronchi / Q000166:cytology; D002584:Cervix Uteri / Q000166:cytology; D003445:Crustacea; D003581:Cytodiagnosis; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008875:Middle Aged; D013048:Specimen Handling; D014881:Water Supply