id	keyword
dpc-1636	oral
dpc-1636	lesions
dpc-1636	doi
dpc-1636	pmid
dpc-1636	white
dpc-1636	olp
dpc-1636	lupus
dpc-1636	treatment
dpc-1636	lichen
dpc-1636	dermatol
dpc-1636	planus
dpc-1636	erythematosus
dpc-1636	clinical
dpc-1636	systemic
dpc-1636	erosive