TI - GLobal progress toward laboratory containment of wild polioviruses—july 2001–august 2002 PT - JOUR DP - 2003 TA - JAMA pages = {415-417}, VI - 289 IP - 4 AID - 10.1001/jama.289.4.415 [doi] 4100 - http://dx.doi.org/10.1001/jama.289.4.415 SO - JAMA January 22, 2003 289(4):415