TY - JOUR T1 - Nontypeable Haemophilus influenzae in carriage and disease: a difference in IgA1 protease activity levels. JO - JAMA PY - 2002/04/03 AU - Vitovski S AU - Dunkin KT AU - Howard AJ AU - Sayers JR ED - DO - DOI: 10.1001/jama.287.13.1699 VL - 287 IS - 13 SP - 1699 EP - 1705 Y2 - 2025/05/23 ER -