 Xenon gas was added as an ingredient of the ventilation mix for a newborn baby at St. Michael 's Hospital , Bristol , England , whose life chances were otherwise very compromised , and was successful , leading to the authorisation of clinical trials for similar cases . The treatment is done simultaneously with cooling the body temperature to 33 @.@ 5 ° C. 
 Xenon gas was added as an ingredient of the ventilation mix for a newborn baby at St. Michael <a href='null_genetive' title='1'><mark>'s</mark></a>Hospital , Bristol , England , whose life chances <a href='uninflect' title='2'><mark>were</mark></a> otherwise very compromised , and was successful , leading to the authorisation of clinical trials for similar cases . The treatment is done simultaneously with cooling the body temperature to 33 @.@ 5 ° C. 
Xenon gas was added as an ingredient of da ventilation mix for a newborn baby at St. micheal  Hospital , Bristol , England , whose life chances was otherwise very compromised , and was successful , leading to tdaauthorisation of clinical trials fa similar cases . The treatment is done simultaneously with cooling the body temperature to 33 @.@ 5 ° C.