Results of multiplex PCR and reverse line blot (RLB) hybridization for 40 consecutive isolates (of 132) from Hong Kong. The 18 labeled probes, from top to bottom are as follows: a, tetmSp; b, tetmAp; c, intSp; d, intAp; e, tetoSp; f, tetoAp; g, ermbSp; h, ermbAp; i, ermatrSp; j, ermatrAp; k, mefSp; l, mefAp; m, mreSp; n, mreAp; o, apha3Sp; p, apha3Ap; q, aad6Sp; r, aad6Ap.