'Patch tests & scratch tests are done to see if you have this type of hypersensitivity reaction to a substance'
an allergic reaction
TESTING, TESTING: Patch tests & scratch tests are done to see if you have this type of hypersensitivity reaction to a substance
Patch tests & scratch tests are done to see if you have this type of hypersensitivity reaction to a substance
Patch tests & scratch tests are done to see if you have this type of hypersensitivity reaction to a substance
TESTING, TESTING
an allergic reaction
TESTING, TESTING