US labs bemoan lack of stem cells.
Powell
Kendall
K
D000818:Animals; D026688:Bioethical Issues; D002460:Cell Line; D006076:Government; D007753:Laboratories / Q000331:legislation & jurisprudence / Q000458:organization & administration; D051379:Mice; D009316:National Institutes of Health (U.S.); D012106:Research / Q000331:legislation & jurisprudence* / Q000458:organization & administration*; D013234:Stem Cells; D014481:United States