Saliva tests may end without a prescription, you can buy in pharmacies, the same as pregnancy test strip.

唾液检测方法，最终可能不需开处方，就可以在药店购买，就像怀孕检测试纸一样。

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In one study, researchers used blood and saliva tests to measure the stress response of 67 women, ages 18 to 25, who were subjected to speech and math tasks.

在一项研究中，研究人员对67位女性的血和唾液进行测试，她们的年龄在18岁至25岁，要完成演讲和数学任务。

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She is now conducting genetic tests on the woman's saliva to verify whether she has the genes for distinct red cones.

她现正就这位妇女的唾液进行基因测试，以验证她是否有不同的红色锥体的基因。

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Saliva tests were then carried on the women and their babies when the infants were a year old.

BBC: NEWS | Health | Babies inherit 9/11 mums' stress

The LifePoint saliva test is cheaper and much faster than drug tests sent to laboratories, including those for saliva.

FORBES: LifePoint Makes New, Portable Drug Test

Confusing the picture further are private labs that offer tests of stool or saliva that they say can definitively diagnose gluten sensitivity.

WSJ: New Guide to Who Really Shouldn't Eat Gluten