Sentence: It was shown that the H2 receptor antagonist cimetidine when combined with N , N-diethyl-2-[4-(phenylmethyl)phenoxy]-ethanamine-HCl ( DPPE ) , a tamoxifen derivate , inhibits the proliferation of HT168 cells .
Drug combination annotation:
[{'class': 'POS', 'spans': ['cimetidine', 'DPPE', 'N-diethyl-2-[4-(phenylmethyl)phenoxy]-ethanamine-HCl'], 'is_context_needed': False}]