[1] AAFP: Meeting the Physical and Emotional Needs of Owned Indoor Cats (2019)
https://catvets.com/resource/meeting-the-needs-of-indoor-cats-position-statement/

[2] AAFP/ISFM: Feline Environmental Needs Guidelines (2013)
https://pmc.ncbi.nlm.nih.gov/articles/PMC11383066/

[3] van der Leij et al.: The effect of a hiding box on stress levels and body weight in Dutch shelter cats (2019)
https://pmc.ncbi.nlm.nih.gov/articles/PMC6791553/

[4] AAFP: Intercat tension guidelines — recognition, prevention and management (2024)
https://pmc.ncbi.nlm.nih.gov/articles/PMC11292941/

[5] Dantas et al.: Food puzzles for cats — feeding for physical and emotional wellbeing (2016)
https://pmc.ncbi.nlm.nih.gov/articles/PMC11148901/

[6] Haywood et al.: Best practice handling guidelines during human–cat interactions (2021)
https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.714143/full

[7] Stella et al.: Sickness behaviors in response to unusual external events (2011)
https://pmc.ncbi.nlm.nih.gov/articles/PMC3852887/

[8] iCatCare: Consensus guidelines on lower urinary tract diseases in cats (2025)
https://pmc.ncbi.nlm.nih.gov/articles/PMC11816079/

[9] Buffington et al.: Clinical evaluation of multimodal environmental modification in cats with idiopathic cystitis (2006)
https://pmc.ncbi.nlm.nih.gov/articles/PMC10822542/

[10] AAFP: Indoor/Outdoor Lifestyle Position Statement (2024)
https://catvets.com/resource/2024-indoor-outdoor-lifestyle-position-statement/
