[On soda lime].
D002118:Calcium / Q000592:standards*; D010087:Oxides / Q000592:standards*; D010602:Pharmacopoeias as Topic; D012972:Sodium Hydroxide / Q000592:standards*; D012122:Ventilators, Mechanical
D010087:Oxides; D012972:Sodium Hydroxide; D002118:Calcium
Uber Atemkalk.