The 5th Annual NIH Conference on the Science of Dissemination and Implementation: Research at the Crossroads will be held March 19-20, 2012, at the Bethesda North Marriott Hotel & Conference Center in Rockville, Md. The conference will facilitate communicating and networking for researchers, evaluators and implementers who are interested in identifying opportunities and strategies for overcoming obstacles for dissemination and implementation research/evaluation. There is no fee for registration. Abstracts for posters, oral presentations, and panel sessions are invited. The deadline for proposals is Nov. 10, 2011.