id	keyword
dpc-2859	isotretinoin
dpc-2859	patients
dpc-2859	anal
dpc-2859	acne
dpc-2859	treatment
dpc-2859	doi
dpc-2859	pmid
dpc-2859	fissure
dpc-2859	dermatol
dpc-2859	effects
dpc-2859	bleeding
dpc-2859	constipation