Halobetasol   6 studies
Halofuginone   2 studies
Haloperidol   61 studies
Haloperidol decanoate   61 studies
Halothane   1 study
Harringtonines   5 studies
HBOC 201   5 studies
Hemagglutinins   22 studies
Hematinics   498 studies
Hematoporphyrin Derivative   11 studies
Hematoporphyrins   1 study
Hemostatics   256 studies
Heparin   240 studies
Heparin, Low-Molecular-Weight   121 studies
Hepatitis B Antibodies   5 studies
Hepatitis C Antibodies   9 studies
Heroin   46 studies
Hetastarch   27 studies
Hexachlorophene   22 studies
Hirudins   3 studies
Histamine   313 studies
Histamine Antagonists   285 studies
Histamine H1 Antagonists   238 studies
Histamine H2 Antagonists   42 studies
Histamine H3 Antagonists   4 studies
Histamine phosphate   313 studies
HIV Antibodies   47 studies
HIV Fusion Inhibitors   39 studies
HIV Integrase Inhibitors   6 studies
HIV Protease Inhibitors   532 studies
Homoharringtonine   10 studies
Homotaurine   3 studies
Hormone Antagonists   3227 studies
Hormones   3908 studies
Hormones, Hormone Substitutes, and Hormone Antagonists   3222 studies
HU 211   1 study
Huperzine A   1 study
Hyaluronic Acid   61 studies
Hydralazine   17 studies
Hydrochlorothiazide   202 studies
Hydrocodone   19 studies
Hydrocortisone   225 studies
Hydrocortisone acetate   225 studies
Hydrocortisone-17-butyrate   4 studies
Hydrogen Peroxide   1 study
Hydromorphone   45 studies
Hydroquinone   14 studies
Hydroxocobalamin   85 studies
Hydroxychloroquine   26 studies
Hydroxycholecalciferols   21 studies
Hydroxyitraconazole   33 studies
Hydroxymethylglutaryl-CoA Reductase Inhibitors   759 studies
Hydroxyurea   91 studies
Hydroxyzine   10 studies
Hypericin   2 studies
Hypnotics and Sedatives   437 studies
Hypoglycemic Agents   1434 studies