3)Nater U.M., et al., Stress-induced changes in human salivary alpha-amylase activity-associations with adrenergic activity. Psychoneuroendocrinology 2005; 31; 49-58.
4)Rohleder, N., et al., Determinants of salivary α-amylase in human and methodological considerations. Psychoneuroendocrinology 2009; 34: 469-485.