TI - DO you have the flu? PT - JOUR DP - 1999 TA - JAMA pages = {962}, VI - 281 IP - 10 AID - 10.1001/jama.281.10.962 [doi] 4100 - http://dx.doi.org/10.1001/jama.281.10.962 SO - JAMA March 10, 1999 281(10):962