PT - JOURNAL ARTICLE AU - J. Watkins TI - A 'herald wave' of type A influenza of the H1N1 sub-type. DP - 1986 Oct 01 TA - The Journal of the Royal College of General Practitioners PG - 475--476 VI - 36 IP - 291 4099 - http://bjgp.org/content/36/291/475.2.short 4100 - http://bjgp.org/content/36/291/475.2.full SO - J R Coll Gen Pract1986 Oct 01; 36