TY - JOUR AU - Cheung, Felix TI - Materials chemistry: Pores breathe new life into polymers JA - PY - 2010/01/06/print VL - PB - Nature Publishing Group UR - http://dx.doi.org/10.1038/nchina.2009.244 M3 - 10.1038/nchina.2009.244 N1 - 10.1038/nchina.2009.244 ER -