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- Health and Socio-Economic Studies 4
- Health Departments 1
- Health Education 6
- Health Education/history 1
- Health planning -- Puerto Rico -- History 1
- health representations--Puerto Rico--18th centrury 1
- Health Statistics 1
- Health statistics 1
- Health Work 1
- Heart Disease 1
- Heavy Metal Poisoning 1
- Heces fecales 1
- Heights 1
- Heliotherapy 1
- Helminth Ova 1
- Helminths 1
- Helmintos 1
- Helobdella Punctato-Lineata 1
- Helobdella Punctatolineata 1
- Hematemesis 2