@article {3805,
	title = {PageRank Without Hyperlinks: Reranking With PubMed Related Article Networks for Biomedical Text Retrieval},
	journal = {BMC Bioinformatics},
	volume = {9},
	year = {2008},
	doi = {10.1186/1471-2105-9-270},
	author = {Jimmy Lin}
}
