9Weaver D K,Miller D,Leventhal E A,et al.Evaluation of a computer-directed pneumatic-tube system for pneumatic transport of blood specimens[J].AmJ Clin Pathol,1978,70(3):400-405.
10Zaman Z,Demedts M.Blood gas analysis:POCT versus central laboratory on samples sent by a pneumatic tube system[J].Clin Chim Acta,2001,307(1-2):101-106.