PCR-RFLP patterns of 13 staphylococcal isolates identified with low discrimination or misidentified by VITEK 2. Lanes: 4, 9, 59, 323, 621, 691, and 1240, S. hominis; 8, 40, and 71, S. epidermidis; 57, S. aureus; 161, S. haemolyticus; 49, S. warneri; M50, 50-bp ladder; M100, 100-bp ladder.