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. Author manuscript; available in PMC: 2012 Nov 13.
Published in final edited form as: Skin Res Technol. 2011 May 18;18(1):15–21. doi: 10.1111/j.1600-0846.2011.00540.x

TABLE 2.

Representative examples of cross-polarization (upper) and erythema index (lower) images used to evaluate the treatment efficacy of acne vulgaris as a function of time

Before treatment 6 h after treatment 24 h after treatment 48 h after treatment
Positive result graphic file with name nihms415587t1.jpg graphic file with name nihms415587t2.jpg graphic file with name nihms415587t3.jpg graphic file with name nihms415587t4.jpg
 Acne without pustule (Volunteer B)
  Cross-polarization image
  Erythema index image
 Acne without pustule (Volunteer K) graphic file with name nihms415587t5.jpg graphic file with name nihms415587t6.jpg graphic file with name nihms415587t7.jpg graphic file with name nihms415587t8.jpg
  Cross-polarization image
  Erythema index image
 Acne with pustule (Volunteer G) graphic file with name nihms415587t9.jpg graphic file with name nihms415587t10.jpg graphic file with name nihms415587t11.jpg graphic file with name nihms415587t12.jpg
  Cross-polarization image
  Erythema index image
Negative result graphic file with name nihms415587t13.jpg graphic file with name nihms415587t14.jpg graphic file with name nihms415587t15.jpg graphic file with name nihms415587t16.jpg
 Acne without pustule (Volunteer M)
  Cross-polarization image
  Erythema index image