Allergy skin-prick test
Allergist applies minute amounts of potential allergen extracts to the forearm skin of a young man. The treated points are then scratched to ensure positive contact.
Copyright © James King-Holmes
Model Release: Yes
Photo size: 17.4 Mpixels (49.8 MB uncompressed) - 3681x4724 pixels (12.2x15.7 in / 31.2x40.0 cm at 300 ppi)