PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19476013-3 2009 RESULTS: With Flow-CAST, sensitivity varied for individual beta-lactam allergens from 16% for penicilloyl-polylysine to 33% for amoxicillin, reaching 50% when all 5 allergens were considered. beta-Lactams 59-70 calpastatin Homo sapiens 19-23 19476013-4 2009 In beta-lactam-allergic patients with negative skin test results (22.8%), Flow-CAST showed positive results for at least 1 of the 5 allergens in 37%. beta-Lactams 3-14 calpastatin Homo sapiens 79-83