title: Duration of action of new H2-blockers.
mesh_terms: D015738:Famotidine; D006635:Histamine H2 Antagonists / Q000494:pharmacology*; D006801:Humans; D013844:Thiazoles / Q000494:pharmacology*
chemical_list: D006635:Histamine H2 Antagonists; D013844:Thiazoles; D015738:Famotidine