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: 16.8 Mpixels (48 MB uncompressed) - 3725x4504 pixels (12.4x15.0 in / 31.5x38.1 cm at 300 ppi)