Xu, S S Huperzine-A in capsules and tablets for treating patients with Alzheimer disease. [electronic resource] - Zhongguo yao li xue bao = Acta pharmacologica Sinica Jun 1999 - 486-90 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0253-9756 Subjects--Topical Terms: AgedAged, 80 and overAlkaloidsAlzheimer Disease--bloodCapsulesCholinesterase Inhibitors--administration & dosageDouble-Blind MethodFemaleHumansLipid Peroxides--bloodMaleMiddle AgedProspective StudiesSesquiterpenes--administration & dosageSuperoxide Dismutase--bloodTablets