title: Gastric acidity and glycopyrrolate premedication.
mesh_terms: D001285:Atropine / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D005745:Gastric Acidity Determination; D006024:Glycopyrrolate / Q000627:therapeutic use*; D006801:Humans; D011759:Pyrrolidines / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D011759:Pyrrolidines; D001285:Atropine; D006024:Glycopyrrolate