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 2018-03 Sergei and Yulia Skripal poisoned with Novichok and 2020-08 Aleksei Navalny poisoned with Novichok and a number of links to Novichok, and added Novichok to Cholinesterase inhibitors and Chemical weapons
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