Citation: R. Werther et al., AVOIDING PROBLEMS WHEN SWITCHING AN ENDOTRACHEAL-TUBE, Journal of oral and maxillofacial surgery, 53(6), 1995, pp. 734-734
Citation: Jr. Werther et al., NASAL TUBE SWITCH - CONVERTING FROM A NASAL TO AN ORAL ENDOTRACHEAL-TUBE WITHOUT EXTUBATION, Journal of oral and maxillofacial surgery, 52(9), 1994, pp. 994-996