TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.7.19 TI - DNA Need Not Unzip JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 7 IS - SP - 19 EP - PY - 2001/04/20/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.7.19 A1 - Anonymous, ER -