1. A contact lens for specular microscopic observation [letter];Tsubota;Am J Ophthalmol,1988
2. Specular microscopic observation of human corneal epithelial abnormalities;Tsubota;Ophthalmology,1991
3. Tsubota K. The effect of contact lens wear on the corneal epithelium as observed by specular microscopy. In: Dabezies OH Jr., ed. Contact lenses: The CLAO Guide to Basic Science and Clinical Practice, 2nd ed. update 7;3E.1-3E.13.
4. Specular microscopic observation of corneal epithelium following penetrating keratoplasty;Tsubota;Jpn J Clin Ophthalmol,1990
5. In vivo corneal epithelial observation of herpes keratitis by specular microscope;Tsubota;Atarashi Ganka,1989