id	keyword
dpc-648	itch
dpc-648	pruritus
dpc-648	dermatol
dpc-648	chronic
dpc-648	pain
dpc-648	patients
dpc-648	skin
dpc-648	atopic
dpc-648	dermatitis
dpc-648	scratch
dpc-648	scratching
dpc-648	review
dpc-648	response
dpc-648	disease
dpc-648	histamine
dpc-648	mechanisms
dpc-648	fibers
dpc-648	treatment
dpc-648	serotonin
dpc-648	neurons