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Subjects
- DDT[remove]16
- Insect Control6
- Insect Control -- methods4
- Insecticides4
- Aircraft2
- Insect Control -- instrumentation2
- Insect Vectors2
- Yellow Fever Vaccine2
- Colorado -- epidemiology1
- Communicable Disease Control1
- Disease Outbreaks -- prevention & control1
- Insect Repellents1
- Lice Infestations1
- Malaria -- prevention & control1
- Military Hygiene1
- Military Personnel1
- Mosquito Control -- methods1
- Onchocerciasis1
- Poliomyelitis -- epidemiology1
- Poliomyelitis -- prevention & control1