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- Heli 25
- Heli líquid 30
- Heli sòlid 1
- Heli superfluid 1
- Helicasa 2
- Helicase 2
- Helicats dinuclears de cobalt 1
- Helicobacter pylori 23
- Helicobacter pylori infections 3
- Helicobacteri pilòric 16
- Heliogravat 2
- Helioseismology 8
- Heliosfera (Astrofísica) 5
- Heliosismologia 8
- Heliosphere (Astrophysics) 5
- Helium 25
- Hell 1
- Hellenism 9
- Hellenistic pottery 1
- Helminthiasis 3