Is there a salivary stimulant that does not interfere with cortisol, melatonin and serotonin assays, and does not alter glucose levels?

This is for a research protocol in spider monkeys' chronobiology. So far the best saliva extracting device has been an aspirator that allows collecting about 1 ml in 2-8 min. The issue is that...

28 March 2019 6,503 1 View