1. Tracheotomy without tubes Author(s): Martin, Henry A. (Henry Austin), 1824-1884, author Publication: Philadelpha : Collins, Printer, 1878 Subject(s): Tracheotomy -- methodsCroup -- surgeryTracheotomy -- instrumentation
2. Tracheotomy without the cannula Author(s): Emmet, Thomas Addis, 1828-1919 Publication: [New York : s.n., 1888?] Subject(s): Tracheotomy -- methodsTracheotomy -- instrumentationTracheostomy -- methodsCatheters -- adverse effectsCatheterization -- adverse effects