title: Relationship between the morbidity of pterygium and the duration of ultraviolet rays exposure in Sanya, China.
authors.affiliation: Department of Ophthalmology, Fourth Affiliated Hospital, China Medical University, Shenyang 110005, China. cmu4h-yqc@126.com
authors.forename: Qi-chang
authors.initials: QC
authors.lastname: Yan
authors.forename: Xin-ling
authors.initials: XL
authors.lastname: Wang
authors.forename: Quan-hao
authors.initials: QH
authors.lastname: Bai
authors.forename: Wei
authors.initials: W
authors.lastname: Wang
authors.forename: Qian
authors.initials: Q
authors.lastname: Gao
authors.forename: Jin-song
authors.initials: JS
authors.lastname: Zhang
authors.forename: Yang
authors.initials: Y
authors.lastname: Liu
authors.forename: Rong
authors.initials: R
authors.lastname: Liu
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D011446:Prospective Studies; D011625:Pterygium / Q000209:etiology*; D013997:Time Factors; D014466:Ultraviolet Rays / Q000009:adverse effects*