| High-Energy Shock Waves |
| High-Frequency Jet Ventilation |
| High-Frequency Ventilation |
| Hindlimb |
| Hindlimb Suspension |
| Hinduism |
| Hinge Exons |
| Hip |
| Hip Contracture |
| Hip Dislocation |
| Hip Dislocation, Congenital |
| Hip Dysplasia, Canine |
| Hip Fractures |
| Hip Injuries |
| Hip Prosthesis |
| Hippel-Lindau Disease |
| Hippocalcin |
| Hippocampus |
| Hippocastanaceae |
| Hippocrateaceae |
| Hippocratic Oath |
| Hippomane |
| Hippophae |
| Hippurates |
| Hirschsprung Disease |
| Hirsutism |
| Hirudin Therapy |
| Hirudins |
| Hirudo medicinalis |
| Hispanic Americans |
| Histamine |
| Histamine Agents |
| Histamine Agonists |
| Histamine Antagonists |
| Histamine H1 Antagonists |
| Histamine H1 Antagonists, Non-Sedating |
| Histamine H2 Antagonists |
| Histamine N-Methyltransferase |
| Histamine Release |
| Histidine |
| Histidine Ammonia-Lyase |
| Histidine Decarboxylase |
| Histidine-tRNA Ligase |
| Histidinol |
| Histidinol-Phosphatase |
| Histiocytes |
| Histiocytic Disorders, Malignant |
| Histiocytic Necrotizing Lymphadenitis |
| Histiocytoma |
| Histiocytoma, Benign Fibrous |
| Histiocytoma, Malignant Fibrous |
| Histiocytosis |
| Histiocytosis, Langerhans-Cell |
| Histiocytosis, Malignant |
| Histiocytosis, Non-Langerhans-Cell |
| Histiocytosis, Sinus |
| Histocompatibility |
| Histocompatibility Antigens |
| Histocompatibility Antigens Class I |
| Histocompatibility Antigens Class II |
| Histocompatibility Testing |
| Histocytochemistry |
| Histocytological Preparation Techniques |
| Histone Acetyltransferases |
| Histone Code |
| Histone Deacetylases |
| Histone-Lysine N-Methyltransferase |
| Histones |
| Histoplasma |
| Histoplasmosis |
| Historical Article [Publication Type] |
| Historical Geographic Locations |
| Historiography |
| History, 15th Century |
| History, 16th Century |
| History, 17th Century |
| History, 18th Century |
| History, 19th Century |
| History, 20th Century |
| History, 21st Century |
| History, Ancient |
| History, Early Modern 1451-1600 |
| History, Medieval |
| History, Modern 1601- |
| Histrionic Personality Disorder |
| HIV |
| HIV Antibodies |
| HIV Antigens |
| HIV Core Protein p24 |
| HIV Enhancer |