PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10221441-3 1999 This study aimed to determine whether major abdominal surgery induced increased serum IgE levels, and whether treatment with ranitidine or prednisolone influenced the IgE response to surgery. Ranitidine 125-135 immunoglobulin heavy constant epsilon Homo sapiens 167-170 10221441-7 1999 RESULTS: In the ranitidine study, both the control group and the ranitidine-treated group displayed a postoperative increase (P<0.001) of serum IgE. Ranitidine 16-26 immunoglobulin heavy constant epsilon Homo sapiens 147-150 10221441-7 1999 RESULTS: In the ranitidine study, both the control group and the ranitidine-treated group displayed a postoperative increase (P<0.001) of serum IgE. Ranitidine 65-75 immunoglobulin heavy constant epsilon Homo sapiens 147-150