SEARCH Articles Figures Tables Electron paramagnetic Electron paramagnetic resonance Electron paramagnetic spectroscopy Electron spin label Electron spin labeling Electron spin spectroscopy Electronic paramagnetic resonance Electrons resonance spectroscopy Labeling electron spin resonance Paramagnetic resonance Paramagnetic resonance spectroscopy Paramagnetic spin labels SPECTROSCOPY SPINNING Spectroscopy electron spin resonance Spin labelling Spin-labeled Spin-labels