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Volume 13, Number 7—July 2007

Dispatch

Zinc Cream and Reliability of Tuberculosis Skin Testing

V. Bhargavi Rao*†, Tom F. Pelly*‡, Robert H. Gilman‡§¶, Lilia Cabrera‡, Jose Delgado‡, Giselle Soto‡, Jon S. Friedland*, A. Roderick Escombe*‡, Robert E. Black¶, and Carlton A. Evans*†‡§¶Comments to Author 
Author affiliations: *Imperial College London, London, UK; †London School of Hygiene and Tropical Medicine, London, UK; ‡Asociación Benéfica Prisma, Lima, Peru; §Universidad Peruana Cayetano Heredia, Lima, Peru; ¶Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA;

Main Article

Figure 1

Effect of topical zinc on size of tuberculosis (TB) skin-test reaction. Each line represents the size of the 2 TB skin-test reactions for 1 person with placebo cream (on the left of the graph) and topical zinc cream (on the right). Circles show the mean TB skin-test reaction size without and with topical zinc, with standard error bars.

Figure 1. Effect of topical zinc on size of tuberculosis (TB) skin-test reaction. Each line represents the size of the 2 TB skin-test reactions for 1 person with placebo cream (on the left of the graph) and topical zinc cream (on the right). Circles show the mean TB skin-test reaction size without and with topical zinc, with standard error bars.

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