Omar, Nisreen M Influence of age on pain sensitivity in response to paw pressure and formalin injection in rats: a role of nitric oxide. [electronic resource] - General physiology and biophysics Jun 2012 - 185-94 p. digital Publication Type: Journal Article ISSN: 0231-5882 Standard No.: 10.4149/gpb_2012_023 doi Subjects--Topical Terms: Aging--metabolismAnimalsBrain--physiopathologyFoot--physiopathologyFormaldehydeHyperalgesia--physiopathologyMaleNitric Oxide--metabolismPain ThresholdPressureRatsRats, Sprague-DawleySpinal Cord--physiopathology