id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
american_scientific_journal-541	Anjulo, Tibebu Kochare; Mersso, Birhan Tamir	Assessment of Dairy Feeds for Heavy Metals	2015	12	.pdf	application/pdf	6324	448	58	Classification of heavy metal Heavy metals can be classified into four major groups on their health importance.  Toxic effect of heavy metals in livestock health Heavy metals are persistent contaminants in the environment that can cause serious environmental and health hazards.	cache/american_scientific_journal-541.pdf	txt/american_scientific_journal-541.txt