title: Effects of pethidine and fentanyl on tear production in dogs.
authors.affiliation: Department of Surgery, Faculty of Veterinary Medicine, Harran University, 63 300 Sanliurfa, Turkey.
authors.forename: H S
authors.initials: HS
authors.lastname: Biricik
authors.forename: C
authors.initials: C
authors.lastname: Ceylan
authors.forename: M
authors.initials: M
authors.lastname: Sakar
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D000818:Animals; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D005260:Female; D005283:Fentanyl / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D007273:Injections, Intramuscular / Q000662:veterinary; D008297:Male; D008614:Meperidine / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use; D011897:Random Allocation; D013666:Tears / Q000187:drug effects* / Q000378:metabolism*
chemical_list: D000701:Analgesics, Opioid; D008614:Meperidine; D005283:Fentanyl