The potential antimicrobial reisistance and economic benefits of clarifying penicillin allergy
Perencevich et al. Benefits of negative penicillin skin test results persist during subsequent hospital admissions. CID. 2001.
2 year follow-up to Harris’ study
Charts of pts. who had a hx of PCN allergy but subsequent (-) skin test were reviewed to see the effect of skin test on abx use and adverse events