Schwartz, J S Comparison of timolol maleate and levobunolol: doses and volume per bottle. [electronic resource] - Archives of ophthalmology (Chicago, Ill. : 1960) Jan 1989 - 17 p. digital Publication Type: Letter ISSN: 0003-9950 Standard No.: 10.1001/archopht.1989.01070010019010 doi Subjects--Topical Terms: HumansLevobunolol--administration & dosageOphthalmic SolutionsTimolol--administration & dosage