id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
challenge-19	Myers, Jr., Samuel R.	Drugs and Market Structure: Is There Really a Drug Crisis in the Black Community?	2019	23	.pdf	application/pdf	1	1	-47	Chal_v1n1_July1990.pdf	cache/challenge-19.pdf	txt/challenge-19.txt