Immobilization of polar bears with carfentanil

MeSH terms

• Animals
• Body Temperature / drug effects
• Carnivora* / physiology
• Central Nervous System Depressants / administration & dosage*
• Central Nervous System Depressants / pharmacology
• Female
• Fentanyl / administration & dosage
• Fentanyl / analogs & derivatives*
• Fentanyl / pharmacology
• Heart Rate / drug effects
• Immobilization*
• Injections, Intramuscular / veterinary
• Male
• Rectum
• Respiration / drug effects
• Ursidae* / physiology