1. The United States Pharmacopeia, 1965, ed. 7, p. 391.
2. The National Formulary, American Pharmaceutical Association, Washington, D.C., 1965, ed. 12, p. 199.
3. Use of methylcellulose in ophthalmology;Swan;Arch. Ophth.,1945
4. Pharmacology and toxicology of the cornea;Swan;Arch. Ophth.,1949
5. Principles of treatment of infectious diseases of the lids, conjunctiva and cornea;Allen;Mississippi Doctor,1954