Catalog
Upper respiratory tract
XA8Z63
Link to WHO Definition
Upper respiratory tract
–
http://id.who.int/icd/entity/2033392163
Parents
Respiratory system
Children
Nasal cavity and middle ear
XA2RH5 Larynx
XA1B05 Nostril
XA9AZ1 Nasopharynx
XA3523 Accessory sinuses
XA43C9 Nasal cavity
XA2J67 Hypopharynx