PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16513821-1 2006 Short-term studies have shown that histamine is involved, via its H2 receptors (H2R), in the mediator network regulating trabecular bone loss in long bones of ovariectomized (OVX) rats. Histamine 35-44 histamine receptor H 2 Rattus norvegicus 66-78 16513821-1 2006 Short-term studies have shown that histamine is involved, via its H2 receptors (H2R), in the mediator network regulating trabecular bone loss in long bones of ovariectomized (OVX) rats. Histamine 35-44 histamine receptor H 2 Rattus norvegicus 80-83