Interchangeability of gas detection tubes and hand pumps.
Hirsh
D J
DJ
D000393:Air Pollutants / Q000032:analysis*; D004867:Equipment Design / Q000592:standards; D004869:Equipment Safety; D005740:Gases / Q000032:analysis*; D006801:Humans; D014481:United States; D014619:Vacuum Curettage / Q000592:standards*
D000393:Air Pollutants; D005740:Gases