PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18762521-11 2008 CONCLUSIONS: Extremely few nonimmediate manifestations associated with cephalosporin therapy are actually hypersensitivity reactions, whereas most immediate reactions to cephalosporins are IgE-mediated. Cephalosporins 170-184 immunoglobulin heavy constant epsilon Homo sapiens 189-192