Subjects
- Insect Repellents1
- Insecticides1
- Interessengemeinschaft Farbenindustrie Aktiengesellschaft.3
- Laboratory Personnel1
- Liniments -- administration & dosage1
- Lubricants1
- Mental Fatigue -- prevention & control1
- Mentally Ill Persons1
- Military Medicine1
- Military Medicine -- methods1
- Military Medicine -- organization & administration1
- National Socialism1
- Netherlands1
- New York (N.Y.). Clinic for the Treatment of Communicable Pulmonary Diseases.1
- New York City1
- Nonprescription Drugs2
- Nonprescription Drugs -- administration & dosage1
- Nurses2
- Paper1
- Patient Education as Topic1