Patch Testing and Prick Testing - Jean-Marie Lachapelle, Howard I. Maibach, Johannes Ring, Ulf Darsow, Thomas Rustemeyer; HASH(0xc2f41e8); Howard I. Maibach; Johannes Ring; Lachapelle, Jean-Marie; Maibach, Howard I.; Ulf Darsow; International Contact Dermatitis Research Group (Springer Berlin Heidelberg, 2009)