Assertion: lemon balm's effect | /r/HasProperty | demonstrated for single doses of melissa
Facets:
value: in a series of trials
type: TEMPORAL
Source sentences:
text: In a series of trials investigating the effects of lemon balm extract on laboratory-induced stress, a dose-dependent effect was demonstrated for single doses of Melissa officinalis.2, 20, 21 Cholinergic receptor-binding properties have also been demonstrated.20