TY - GEN AU - Shefter,E AU - Triggle,D J TI - Is there a unique conformation of cholinergic ligands responsible for muscarinic acitivity? SN - 0028-0836 PY - 1970///1020 KW - Acetylcholine KW - Chemical Phenomena KW - Chemistry KW - Models, Structural KW - Parasympathomimetics KW - Quaternary Ammonium Compounds KW - Receptors, Drug KW - Stereoisomerism N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/2271354a0 ER -