2022 Mois Document avril Video 1 - Echocardiogram: 12-year-old male castrated cocker spaniel (Can Vet J 2022;63: 411-415) Video 2 - Echocardiogram: 12-year-old male castrated cocker spaniel (Can Vet J 2022;63: 411-415) Video 3 - Echocardiogram: 12-year-old male castrated cocker spaniel (Can Vet J 2022;63: 411-415) Bibliography - Nature, nurture, and mental health. Part 1: The influence of genetics, psychology, and biology (Can Vet J 2022;63:427-430) Glossary - Nature, nurture, and mental health. Part 1: The influence of genetics, psychology, and biology (Can Vet J 2022;63:427-430)