[Hygiene of the airways; comfort, speed, safety-and hygiene].
D003141:Communicable Diseases / Q000635:transmission*; D018562:Disease Transmission, Infectious; D006801:Humans; D006920:Hygiene; D012137:Respiratory System; D012449:Safety
COMMUNICABLE DISEASES/transmission
Higiêne das rótas aereas; confôrto, rapidez, seguranca....e higiêne.