title: Pharmacologically effective plasma concentrations of ranitidine.
mesh_terms: D001682:Biological Availability; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005663:Furans / Q000097:blood* / Q000627:therapeutic use; D006635:Histamine H2 Antagonists / Q000097:blood* / Q000627:therapeutic use; D006801:Humans
chemical_list: D005663:Furans; D006635:Histamine H2 Antagonists