@article {pmid21672213,
	title = {Immediate vs. delayed insertion of intrauterine contraception after second trimester abortion: study protocol for a randomized controlled trial},
	journal = {Trials},
	volume = {12},
	year = {2011},
	pages = {149},
	author = {Norman, W. V. and Kaczorowski, J. and Soon, J. A. and Brant, R. and Bryan, S. and Trouton, K. J. and Dicus, L.}
}
