PT - JOURNAL ARTICLE AU - Calvert, Paul TI - Printing Cells AID - 10.1126/science.1144212 DP - 2007 Oct 12 TA - Science PG - 208--209 VI - 318 IP - 5848 4099 - http://science.sciencemag.org/content/318/5848/208.short 4100 - http://science.sciencemag.org/content/318/5848/208.full SO - Science2007 Oct 12; 318