Papoiu, A. D.; Valdes-Rodriguez, R.; Nattkemper, L. A.; Chan, Y.-H.; Hahn, G. S.; Yosipovitch, G. A Novel Topical Formulation Containing Strontium Chloride Significantly Reduces the Intensity and Duration of Cowhage-Induced Itch. Acta Derm Venereol 2013, 93, 520-526.