A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K9/00
Medicinal preparations characterised by special physical form
A61K9/14
Particulate form, e.g. powders,; Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles