Subjects
- Cold Climate3
- Cold Temperature9
- Communicable Disease Control -- methods1
- Contraception1
- Convalescence1
- Cooking -- methods2
- Craniocerebral Trauma -- prevention & control1
- Crutches1
- Culicidae1
- DDT1
- Dark Adaptation3
- Dentures1
- Dermatitis, Contact -- etiology1
- Desert Climate6
- Diet8
- Disabled Persons -- rehabilitation4
- Disease Eradication -- organization & administration1
- Disease Transmission, Infectious -- prevention & control1
- Disinfectants -- adverse effects1
- Drinking Behavior1