title: An Enigma.
authors.forename: J Daniel
authors.initials: JD
authors.lastname: Nelson
mesh_terms: D015415:Biomarkers / Q000378:metabolism; D003228:Conjunctiva / Q000473:pathology*; D015352:Dry Eye Syndromes / Q000175:diagnosis* / Q000378:metabolism; D005141:Eyelid Diseases / Q000175:diagnosis; D006801:Humans; D008537:Meibomian Glands / Q000473:pathology; D013666:Tears / Q000502:physiology
chemical_list: D015415:Biomarkers