[Problem of surface anesthesia of the upper respiratory tract].
D000758:Anesthesia; D000777:Anesthetics; D000779:Anesthetics, Local; D001995:Bronchography; D006801:Humans; D012137:Respiratory System
D000777:Anesthetics; D000779:Anesthetics, Local
ANESTHETICS, LOCAL; BRONCHI/radiography
Zum Problem der Oberflachenanästhesie der oberen Luftwege.