Molecular Polymorphism: Biosynthesis of the Molecular Forms of Acetylcholinesterase (J. Massoulie et al.). Molecular Organization of Recombinant Human Acetylcholinesterase (B. Velan et al.). Nematode Acetylcholinesterases (M. Arpagaus et al.). Structure Function Relationship: Three Dimensional Structure of Acetylcholinesterase (J.L. Sussman et al.) Structural Analysis of Acetylcholinesterase Ammonium Binding Sites (I. Schalk et al.). Structural Investigations of Acetylcholinesterase (F. Hucho et al.). Physiological Role and Clinical Applications: Factors Influencing Acetylcholinesterase Regulation in Slow and Fast Skeletal Muscles (J. Sketelj et al.). Towards a Functional Analysis of Cholinesterases in Neurogenesis (P.G. Layer). Acetylcholinesterase as a Modulatory Neuroprotein and its Influence on Motor Control (S.A. Greenfield). 28 additional articles. Index.