A case in point. Cytological smears -- an aid in the diagnosis of external ocular pathology.
D003228:Conjunctiva / Q000473:pathology; D003231:Conjunctivitis / Q000473:pathology*; D003581:Cytodiagnosis / Q000379:methods*; D005260:Female; D006801:Humans; D002479:Inclusion Bodies; D008875:Middle Aged; D009504:Neutrophils / Q000382:microbiology / Q000473:pathology; D011008:Pneumococcal Infections / Q000473:pathology*; D013194:Staining and Labeling / Q000379:methods; D013296:Streptococcus pneumoniae / Q000302:isolation & purification