1 Subjects: “...physician-patient relationship...”

2 Subjects: “...severe physical disabilities...”

3 Subjects: “...physical and mathematical modeling...”

4 Subjects: “...physical exercises and sports...”

5 Subjects: “...physical activity...”

6 Subjects: “...cyber-physical system...”

7 Subjects: “...mental and physical health...”

8 “...The risk of physical accident or injury to humans from horses is well understood. Now...”