in a randomized , double-blind , cross-over study lasting eight months and involving 40 patients with primary open-angle glaucoma , the pressure-lowering effects of 0.25-0.5 % timolol maleate were compared those of 0.1 % epinephrine hydrochloride and 1 % epinephrine .
C0001636
epinephrine
C0014563
epinephrine