title: Medication history and Helicobacter pylori testing.
authors.affiliation: Endoscopy Laboratory, Baylor Medical Center at Grapevine, Texas, USA.
authors.forename: L
authors.initials: L
authors.lastname: Phillips
authors.forename: K
authors.initials: K
authors.lastname: Ridenour
mesh_terms: D004352:Drug Resistance, Microbial; D004358:Drug Therapy; D005188:False Negative Reactions; D016481:Helicobacter Infections / Q000175:diagnosis* / Q000382:microbiology; D016480:Helicobacter pylori; D006801:Humans; D008487:Medical History Taking; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000382:microbiology