id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12792		cet-12792		6	.pdf	application/pdf	3348	117	41	PAHs including naphthalene, biphenyl, fluorene, anthracene, phenanthrene among others are classified as hazardous due to their carcinogenic, teratogenic, genotoxic, and persistent nature (Zhang et al., 2019). Exposure of PAHs to humans may cause various cancers and several other diseases such as oral cancer, stomach cancer, asthma, and heart diseases (Zhang et al., 2019).	cache/cet-12792.pdf	txt/cet-12792.txt