Drugs and vaccines around the world.
D019049:Developed Countries; D003906:Developing Countries / Q000191:economics; D004345:Drug Industry; D018954:Drugs, Essential / Q000191:economics / Q000600:supply & distribution*; D014943:Global Health; D006297:Health Services Accessibility; D006801:Humans; D014612:Vaccines / Q000191:economics / Q000600:supply & distribution*; D014944:World Health Organization
D018954:Drugs, Essential; D014612:Vaccines