@article {421,
	title = {Introns as mobile genetic elements.},
	journal = {Annu Rev Biochem},
	volume = {62},
	year = {1993},
	month = {1993},
	pages = {587-622},
	keywords = {Base Sequence, Biological Evolution, Genes, Genes, Bacterial, Genes, Fungal, Introns, Molecular Sequence Data, Open Reading Frames, RNA Splicing},
	issn = {0066-4154},
	doi = {10.1146/annurev.bi.62.070193.003103},
	author = {Lambowitz, A M and Belfort, M}
}
