PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8314361-5 1993 Cimetidine, ranitidine and famotidine all reduced significantly the t1/2 beta of naproxen by 50% from 25 h to 13 h and the t1/2 alpha from 4.0 h to 1.1 h. No effect of the H2 antagonists was observed on the absorption of naproxen. Famotidine 27-37 CD6 molecule Homo sapiens 123-151