A Dual Biomarker Approach to Stress: Hair and Salivary Cortisol Measurement in Students via LC‐MS/MS. - Hakeem, Muhammad K.; Sallabi, Sundas; Ahmed, Raghda; Hamdan, Hana; Mameri, Amel; Alkaabi, Mariam; Alsereidi, Asmaa; Elangovan, Sampath K.; Shah, Iltaf (Analytical Science Advances, 2025)