MODERN APPLICATION OF TRACHEOSTOMY.
D019069:Cell Respiration; D006664:History; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D011051:Poliomyelitis; D012119:Respiration; D012131:Respiratory Insufficiency; D014139:Tracheostomy; D014140:Tracheotomy
HISTORY; HISTORY OF MEDICINE, 19TH CENT.; HISTORY OF MEDICINE, 20TH CENT.; POLIOMYELITIS; RESPIRATION; RESPIRATORY INSUFFICIENCY; TRACHEOTOMY