Labs that derive new human embryonic stem cell lines are few, partly because they can not get financial support from federal sources. (uofmhealth.org)
Congressional supporters of stem cell research have re-introduced legislation to codify President Barack Obama's 2009 executive order lifting restrictions on the number of human embryonic stem cell lines available to federally funded researchers. (sciencemag.org)
In August of last year, President Bush approved the use of federal funds to support research on a limited number of existing human embryonic stem cell lines. (firstthings.com)