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Salivary α-amylase levels over time for Pilots and Sensor Operators. sAA levels were measured before operating flight (T0: baseline condition), every 30 min during operating flight (30 min-60 min-90 min-120 min), and 15 and 30 min after the operating flight (15 min post and 30 min post). ∗p < 0.05.
