title: Derivation of the photo-electric efficiency of photoreceptors and a method of extracellular measurement of nerve current. I.
mesh_terms: D003217:Conductometry / Q000295:instrumentation; D004304:Dosage Forms; D004566:Electrodes; D004596:Electroretinography; D005110:Extracellular Space; D008027:Light; D008433:Mathematics; D008564:Membrane Potentials; D008722:Methods; D008959:Models, Neurological; D009431:Neural Conduction; D010786:Photoreceptor Cells / Q000502:physiology*; D011199:Potentiometry / Q000295:instrumentation
chemical_list: D004304:Dosage Forms