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

2 Subjects: “...physical habitat...”

3 Subjects: “...physical health...”

4 Subjects: “...high energy physics...”

5 Subjects: “...physical activity...”

6 Subjects: “...physical factors...”

7 Subjects: “...physical factors...”

8 “...The international concept of food security is a situation where all people have physical, social...”

9 “..., conferences required the physical presence of their members and audiences. However, travel restrictions due...”

10 “... knowledge to address dryland complexity. Physical dimensions in arid zones-land systems, climate and hazards...”