@article{journals/cmpb/SchillWP07,
	title = {A planning tool for two-phase case-control studies.},
	author = {Walter Schill and Pascal Wild and Iris Pigeot},
	journal = {Computer Methods and Programs in Biomedicine},
	number = {2},
	pages = {175-181},
	url = {http://dblp.uni-trier.de/db/journals/cmpb/cmpb88.html#SchillWP07},
	volume = {88},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2f0cded134c1773c20321976f86f9ea0b/dblp},
	description = {dblp},
	ee = {http://dx.doi.org/10.1016/j.cmpb.2007.08.002}, date = {2007-11-05},
	keywords = {dblp }
}