title: EFFECTS OF PREMEDICATION ON VENTILATION AS MEASURED BY CLOSED-CIRCUIT SPIROMETRY.
mesh_terms: D000758:Anesthesia; D000766:Anesthesia, Dental; D001285:Atropine; D035843:Biomedical Research; D006801:Humans; D008614:Meperidine; D010600:Pharmacology; D010919:Placebos; D011229:Preanesthetic Medication; D011292:Premedication; D012119:Respiration; D012631:Secobarbital; D013147:Spirometry
chemical_list: D010919:Placebos; D012631:Secobarbital; D001285:Atropine; D008614:Meperidine
keywords: ANESTHESIA, DENTAL; ATROPINE; CLINICAL RESEARCH; MEPERIDINE; PHARMACOLOGY; PLACEBOS; PREANESTHETIC MEDICATION; RESPIRATION; SECOBARBITAL; SPIROMETRY