The relative risk of ulcerative keratitis among users of daily-wear and extended-wear soft contact lenses: a case-control study
The authors performed a case-control study with 86 case patients, estimating separately for hospital-based and population-based controls the relative risk of ulcerative keratitis among users of extended-wear as compared with daily-wear soft contact lenses. The relative risk of ulcerative keratitis f...
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Veröffentlicht in: | The New England journal of medicine 1989-09, Vol.321 (12), p.773-778 |
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Sprache: | eng |
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