Abraira VE, Ginty DD. The sensory neurons of touch. Neuron 2013; 79: 618-639.
Adachi T, Sato A, Sato Y, et al. Depending on the mode of application morphine enhances or depresses somatocardiac sympathetic A- and C-reflexes in anesthetized rats. Neurosci Res 1992; 15: 281-288.
Andresen V, Bach DR, Poellinger A, et al. Brain activation responses to subliminal or supraliminal rectal stimuli and to auditory stimuli in irritable bowel syndrome. Neurogastroenterol Motil 2005; 17: 827-837.
Hotta H, Schmidt RF, Uchida S, et al. Gentle mechanical skin stimulation inhibits the somatocardiac sympathetic C-reflex elicited by excitation of unmyelinated C-afferent fibers. Eur J Pain 2010; 14: 806-813.
Olausson H, Lamarre Y, Backlund H, et al. Unmyelinated tactile afferents signal touch and project to insular cortex. Nat Neurosci 2002; 5: 900-904.