[Cimetidine vs. Ranitidine].
D001682:Biological Availability; D002927:Cimetidine / Q000494:pharmacology*; D006801:Humans; D011899:Ranitidine / Q000494:pharmacology*
D002927:Cimetidine; D011899:Ranitidine
Cimetidina vs. Ranitidina.