Question

according to the xtrac piggy was a​

Answer 1

Answer:

what is this xtrac ?????

Answer 2

Explanation:

The XTRAC is a small handheld device that your dermatologist can use in their office. This laser concentrates a single band of ultraviolet B (UVB) light on psoriasis lesions. It penetrates the skin and breaks the DNA of the T cells, which are what have multiplied to create psoriasis plaques.