RT Journal Article SR Electronic T1 Portraits From a Petri Dish JF Science JO Science FD American Association for the Advancement of Science SP 460 OP 460 DO 10.1126/science.301.5632.460a VO 301 IS 5632 YR 2003 UL http://science.sciencemag.org/content/301/5632/460.1.abstract AB