Doughty I M, Ward I, Schwarz M, David T J
Department of Child Health, University of Manchester, England, UK.
J R Soc Med. 1995 Jul;88(7):417P-418P.
The sweat test, if properly performed, is a reliable tool to assist in the diagnosis of cystic fibrosis. In practice, most errors arise from false positive results. This case serves as a reminder that false negatives may also occur.
如果操作得当，汗液测试是协助诊断囊性纤维化的可靠工具。在实际操作中，大多数错误源于假阳性结果。此病例提醒我们假阴性结果也可能出现。
