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  1. Synapses, artwork
  2. Action of serotonin reuptake inhibitors
  3. Serotonin neurotransmitter molecule
  4. Molecular model
  5. Virus particles entering cells, artwork
  6. Human skull
  7. Blood cells in blood vessel, artwork
  8. Retina in glaucoma, artwork
  9. Virus particles, artwork
  10. DNA replication, artwork
  11. Detached blood clot, artwork
  12. Coronary artery disease
  13. Viral throat infection, artwork
  14. Dendritic cells, artwork
  15. Cells
  16. Fertilisation, artwork
  17. Bacterial lung infection
  18. Toothache, conceptual artwork
  19. Nerve damage and stem cells, artwork
  20. Rod-shaped bacteria, artwork