title: Ocular beta-blockers and systemic effects.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000009:adverse effects* / Q000627:therapeutic use; D005901:Glaucoma / Q000188:drug therapy; D006801:Humans; D013999:Timolol / Q000009:adverse effects / Q000627:therapeutic use
chemical_list: D000319:Adrenergic beta-Antagonists; D013999:Timolol