addiction
aids
anesthetist
arranged
care
closeup
disposable
drug
equipment
fear
green
health
healthcare
healthy
hospital
hypodermic
illness
inject
injection
instrument
intravenously
laboratory
medical
medication
medicine
metal
narcotic
needle
panic
phobia
plastic
science
sharp
subcutaneously
surgical
syringe
therapy
transparent
tray
treatment
vaccinate
vaccination
vaccine