Eric Walker added Cholinesterase inhibitors to Neurotoxins, and added Neurotoxins to Neuroscience, neurology and the nervous system and Atoms, molecules, chemicals, minerals, materials and compounds

Eric Walker added Novichok and Aleksei Navalny, Putin Critic in a Coma, Was Poisoned, German Doctors Say - The New York Times to Cholinesterase inhibitors, and added Cholinesterase inhibitors to Neurotoxins

Eric Walker added a number of topics and a number of links to Atoms, molecules, chemicals, minerals, materials and compounds, and added Atoms, molecules, chemicals, minerals, materials and compounds to Nature

Eric Walker added a number of topics and a number of links to Neuroscience, neurology and the nervous system, and added Neuroscience, neurology and the nervous system to Animalia