Ticarcillin and Ticarcillin-Clavulanic Acid Susceptibility Tests: Error Rates for Disk Tests with Consecutively Isolated Members of the Family Enterobacteriaceae

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242

The Clinical Microbiology Institute, Tualatin, Oregon 97062; St. Vincent Hospital and Medical Center, Portland, Oregon 97225; St. Francis Regional Medical Center, Wichita, Kansas 67214; University of Rochester Medical Center, Rochester, New York 14642; University of New Mexico Medical Center, Albuquerque, New Mexico 87106; and University of Iowa Hospitals and Clinics, Iowa City, Iowa 52242