@article {6125,
	title = {Population dynamics of PIWI-interacting RNAs (piRNAs) and their targets in Drosophila},
	year = {2010},
	pages = {212-227},
	doi = {10.1101/gr.095406.109},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/19948818},
	author = {Jian Lu and Andrew G. Clark}
}
