RT Journal T1 NOrwalk-like virus–associated gastroenteritis in a large, high-density encampment—virginia, july 2001 JF JAMA JO JAMA YR 2002 FD October 9 VO 288 IS 14 SP 1711 OP 1713 DO 10.1001/jama.288.14.1711 UL http://dx.doi.org/10.1001/jama.288.14.1711 AB