Figure 5a. (arrow mark indicates) increased keratinsed layer

From

Nocardia arthritidis Infection in an Immunocompetent Human in the United States

Osamuyimen Igbinosa, Owen Igbinosa, Krishna Dass, Glenn Wortmann

American Journal of Medical Case Reports. 2016, 4(7), 251-254 doi:10.12691/ajmcr-4-7-10