title: Drop sizes of commonly used topical beta blockers.
authors.forename: P G
authors.initials: PG
authors.lastname: Griffiths
authors.forename: R J
authors.initials: RJ
authors.lastname: Stirling
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage*; D009883:Ophthalmic Solutions / Q000008:administration & dosage*; D014894:Weights and Measures
chemical_list: D000319:Adrenergic beta-Antagonists; D009883:Ophthalmic Solutions