apparatus
artificial
cap
care
caucasian
cavity
clinic
diagnosis
doctor
drape
endoscope
endoscopic
equipment
examination
female
gloves
health
lung
lying
male
man
mask
medic
medical
medicine
modern
monitor
nasal
operate
operating
operation
patient
people
profession
respiratory
room
screen
service
surgeon
surgeons
surgery
surgical
table
tube
uniform
ventilation
view
woman
work
young