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2. Biomicroscopy for Contact Lens Practice;Goldberg, J.B.,1970
3. Visibility of transparent objects in the eye by retro-illumination;Graves, B.;British Journal of Ophthalmology,1924
4. The visibility of corpuscular elements within the aqueous;Heydt, R.; von der;American Journal of Ophthalmology,1923
5. High magnification examination and photography with the slit lamp;Holden, B.A.; Zantos, S.G.,1977