摘要: This paper relates the experience of my colleagues and myself using new antispasmodic compound trihexyphenidyl (artane,® 3-[1-piperidy1]-1-pheny1-1-cyclohexy1-1-propano1 hydrochloride 1 ) in treatment parkinsonism several related disorders movement. The trial a an old disease calls to mind recent statement A. C. Ivy, 2 who commented, "The physician practices medicine today, because response different patients same therapy will always vary some extent, practice on his patient. No can honestly guarantee that he cure or not cause undesirable symptoms temporary discomfort." Faced with present lack knowledge regarding specific parkinsonism, spasmodic torticollis, blepharospasm other disabling movement, what should be physician's therapeutic goal? In belief each diseases forming