id	domain	url
catalyst-28811	thinkprogress.org	http://thinkprogress.org/health/2013/01/31/1517821/fetal-heartbeat-bills-to-watch
catalyst-28811	onlinelibrary.wiley.com	http://onlinelibrary.wiley.com/doi/10.1111/maq.12181/abstract
catalyst-28811	library.duke.edu	http://library.duke.edu/digitalcollections/wlmpc_wlmms01018