title: Patent medicine.
authors.affiliation: American College of Gastroenterology, USA.
authors.forename: R E
authors.initials: RE
authors.lastname: Kravetz
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D004366:Nonprescription Drugs / Q000266:history*; D014481:United States
chemical_list: D004366:Nonprescription Drugs