title: On the determination of the concentration over a sphere with a barrier layer.
mesh_terms: D004058:Diffusion; D008959:Models, Neurological; D018377:Neurotransmitter Agents / Q000494:pharmacology*; D009435:Synaptic Transmission / Q000187:drug effects*; D013997:Time Factors
chemical_list: D018377:Neurotransmitter Agents